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📄 g7to.c

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////
//// garmin additions from beta.  I'm not using most of these yet, but
////  JIC...
//	BYTE class;
//	BYTE status;		// Lowrance waypoint status 0 or 1
//  BYTE subclass[13];
//	INT alt;
//	char city[24];
//	char state[2];
//	char cc[2];			// garmin
//	char name[30];		// garmin
//};
	
enum
{
//
// * indicates those in the GPS III revision 2.05 and greater
//
//---------------------------------------------------------------
// Symbols for marine (group 0...0-8191...bits 15-13=000).
//---------------------------------------------------------------
	sym_anchor =			0,	// 0x0000 * white anchor symbol 
	sym_bell =				1,	// 0x0001 * white bell symbol 
	sym_diamond_grn =		2,	// 0x0002 green diamond symbol 
	sym_diamond_red =		3,	// 0x0003 red diamond symbol 
	sym_dive1 =				4,	// 0x0004 diver down flag 1 
	sym_dive2 =				5,	// 0x0005 diver down flag 2 
	sym_dollar =			6,	// 0x0006 * white dollar symbol 
	sym_fish =				7,	// 0x0007 * white fish symbol 
	sym_fuel =				8,	// 0x0008 * white fuel symbol 
	sym_horn =				9,	// 0x0009 white horn symbol 
	sym_house =			   10,	// 0x000a * white house symbol 
	sym_knife =			   11,	// 0x000b * white knife & fork symbol 
	sym_light =			   12,	// 0x000c white light symbol 
	sym_mug =			   13,	// 0x000d * white mug symbol 
	sym_skull =			   14,	// 0x000e * white skull and crossbones symbol
	sym_square_grn =	   15,	// 0x000f green square symbol 
	sym_square_red =	   16,	// 0x0010 red square symbol 
	sym_wbuoy =			   17,	// 0x0011 white buoy waypoint symbol 
	sym_wpt_dot =		   18,	// 0x0012 * waypoint dot 
	sym_wreck =			   19,	// 0x0013 white wreck symbol 
	sym_null =			   20,	// 0x0014 null symbol (transparent) 
	sym_mob =			   21,	// 0x0015 * man overboard symbol 
//------------------------------------------------------
// Marine navaid symbols
//------------------------------------------------------
	sym_buoy_ambr =		   22,	// 0x0016 amber map buoy symbol 
	sym_buoy_blck =		   23,	// 0x0017 black map buoy symbol 
	sym_buoy_blue =		   24,	// 0x0018 blue map buoy symbol 
	sym_buoy_grn =		   25,	// 0x0019 green map buoy symbol 
	sym_buoy_grn_red =	   26,	// 0x001a green/red map buoy symbol 
	sym_buoy_grn_wht =	   27,	// 0x001b green/white map buoy symbol 
	sym_buoy_orng =		   28,	// 0x001c orange map buoy symbol 
	sym_buoy_red =		   29,	// 0x001d red map buoy symbol 
	sym_buoy_red_grn =	   30,	// 0x001e red/green map buoy symbol 
	sym_buoy_red_wht =	   31,	// 0x001f red/white map buoy symbol 
	sym_buoy_violet =	   32,	// 0x0020 violet map buoy symbol 
	sym_buoy_wht =		   33,	// 0x0021 white map buoy symbol 
	sym_buoy_wht_grn =	   34,	// 0x0022 white/green map buoy symbol 
	sym_buoy_wht_red =	   35,	// 0x0023 white/red map buoy symbol 
	sym_dot =			   36,	// 0x0024 white dot symbol 
	sym_rbcn =			   37,	// 0x0025 radio beacon symbol 
//------------------------------------------------------
// ... leave space for more navaids (up to 128 total)
//------------------------------------------------------
	sym_boat_ramp =		  150,	// 0x0096 * boat ramp symbol 
	sym_camp =			  151,	// 0x0097 * campground symbol 
	sym_restrooms =		  152,	// 0x0098 * restrooms symbol 
	sym_showers =		  153,	// 0x0099 * shower symbol 
	sym_drinking_wtr =	  154,	// 0x009a * drinking water symbol 
	sym_phone =			  155,	// 0x009b * telephone symbol 
	sym_1st_aid =		  156,	// 0x009c * first aid symbol 
	sym_info =			  157,	// 0x009d * information symbol 
	sym_parking =		  158,	// 0x009e * parking symbol 
	sym_park =			  159,	// 0x009f * park symbol 
	sym_picnic =		  160,	// 0x00a0 * picnic symbol 
	sym_scenic =		  161,	// 0x00a1 * scenic area symbol 
	sym_skiing =		  162,	// 0x00a2 * skiing symbol 
	sym_swimming =		  163,	// 0x00a3 * swimming symbol 
	sym_dam =			  164,	// 0x00a4 * dam symbol 
	sym_controlled =	  165,	// 0x00a5 controlled area symbol 
	sym_danger =		  166,	// 0x00a6 danger symbol 
	sym_restricted =	  167,	// 0x00a7 restricted area symbol 
	sym_null_2 =		  168,	// 0x00a8 null symbol 
	sym_ball =			  169,	// 0x00a9 * ball symbol 
	sym_car =			  170,	// 0x00aa * car symbol 
	sym_deer =			  171,	// 0x00ab * deer symbol 
	sym_shpng_cart =	  172,	// 0x00ac * shopping cart symbol 
	sym_lodging =		  173,	// 0x00ad * lodging symbol 
	sym_mine =            174,  // 0x00ae * mine symbol
//---------------------------------------------------------------
// Symbols for land (group 1...8192-16383...bits 15-13=001).
//---------------------------------------------------------------
	sym_is_hwy =		 8192,	// 0x2000 interstate hwy symbol 
	sym_us_hwy =		 8193,	// 0x2001 us hwy symbol 
	sym_st_hwy =		 8194,	// 0x2002 state hwy symbol 
	sym_mi_mrkr =		 8195,	// 0x2003 mile marker symbol 
	sym_trcbck =		 8196,	// 0x2004 * TracBack (feet) symbol 
	sym_golf =			 8197,	// 0x2005 * golf symbol 
	sym_sml_cty =		 8198,	// 0x2006 * small city symbol 
	sym_med_cty =		 8199,	// 0x2007 * medium city symbol 
	sym_lrg_cty =		 8200,	// 0x2008 * large city symbol 
	sym_freeway =		 8201,	// 0x2009 intl freeway hwy symbol 
	sym_ntl_hwy =		 8202,	// 0x200a intl national hwy symbol 
	sym_cap_cty =		 8203,	// 0x200b capitol city symbol (star) 
	sym_amuse_pk =		 8204,	// 0x200c amusement park symbol 
	sym_bowling =		 8205,	// 0x200d bowling symbol 
	sym_car_rental =	 8206,	// 0x200e car rental symbol 
	sym_car_repair =	 8207,	// 0x200f car repair symbol 
	sym_fastfood =		 8208,	// 0x2010 fast food symbol 
	sym_fitness =		 8209,	// 0x2011 fitness symbol 
	sym_movie =			 8210,	// 0x2012 movie symbol 
	sym_museum =		 8211,	// 0x2013 museum symbol 
	sym_pharmacy =		 8212,	// 0x2014 pharmacy symbol 
	sym_pizza =			 8213,	// 0x2015 pizza symbol 
	sym_post_ofc =		 8214,	// 0x2016 post office symbol 
	sym_rv_park =		 8215,	// 0x2017 RV park symbol 
	sym_school =		 8216,	// 0x2018 school symbol 
	sym_stadium =		 8217,	// 0x2019 stadium symbol 
	sym_store =			 8218,	// 0x201a dept. store symbol 
	sym_zoo =			 8219,	// 0x201b zoo symbol 
//---------------------------------------------------------------
// Symbols for aviation (group 2...16383-24575...bits 15-13=010).
//---------------------------------------------------------------
	sym_airport =		16384,	// 0x4000 * airport symbol 
	sym_int =			16385,	// 0x4001 intersection symbol 
	sym_ndb =			16386,	// 0x4002 non-directional beacon symbol 
	sym_vor =			16387,	// 0x4003 VHF omni-range symbol 
	sym_heliport =		16388,	// 0x4004 * heliport symbol 
	sym_private =		16389,	// 0x4005 * private field symbol 
	sym_soft_fld =		16390,	// 0x4006 * soft field symbol 
	sym_tall_tower =	16391,	// 0x4007 * tall tower symbol 
	sym_short_tower =	16392,	// 0x4008 * short tower symbol 
	sym_glider =		16393,	// 0x4009 * glider symbol 
	sym_ultralight =	16394,	// 0x400a * ultralight symbol 
	sym_parachute =		16395,	// 0x400b * parachute symbol 
	sym_vortac =		16396,	// 0x400c VOR/TACAN symbol 
	sym_vordme =		16397,	// 0x400d VOR-DME symbol 
	sym_faf =			16398,	// 0x400e first approach fix 
	sym_lom =			16399,	// 0x400f localizer outer marker 
	sym_map =			16400,	// 0x4010 missed approach point 
	sym_tacan =			16401,	// 0x4011 TACAN symbol 
	sym_seaplane =		16402,	// 0x4012 * Seaplane Base 
};
//---------------------------------------------------------------
//D103_Wpt_Type symbols:
//---------------------------------------------------------------
//
// These 16 are from the GPS II+, 12, 12XL group, i.e D103 data record type
//
enum
{
	smbl_dot = 				0,	//   0x00 dot symbol 
	smbl_house =			1,	//   0x01 house symbol 
	smbl_gas =				2,	//   0x02 gas symbol 
	smbl_car =				3,	//   0x03 car symbol 
	smbl_fish =				4,	//   0x04 fish symbol 
	smbl_boat =				5,	//   0x05 boat symbol 
	smbl_anchor =			6,	//   0x06 anchor symbol 
	smbl_wreck =			7,	//   0x07 wreck symbol 
	smbl_exit =				8,	//   0x08 exit symbol 
	smbl_skull =			9,	//   0x09 skull symbol 
	smbl_flag =			   10,	//   0x0a flag symbol 
	smbl_camp =			   11,	//   0x0b camp symbol 
	smbl_duck =			   12,	//   0x0c duck symbol 
	smbl_deer =			   13,	//   0x0d deer symbol 
	smbl_buoy =			   14,	//   0x0e buoy symbol 
	smbl_back_track =	   15 	//   0x0f back track symbol 
};
//=================================================================
//  Garmin <-> Ozi symbols

#if 0
INT Garmin_to_Ozi[48][2] = {
	{16384,'A'}, {  169,'B'}, {    6,'C'}, {   13,'D'}, {  150,'E'}, //  0 -  4
	{  151,'F'}, {  170,'G'}, { 8200,'H'}, { 8199,'I'}, { 8198,'J'}, //  5 -  9
	{  164,'K'}, {   14,'L'}, {  154,'M'}, {    7,'N'}, {    8,'O'}, // 10 - 14
	{16393,'P'}, { 8197,'Q'}, {16388,'R'}, {  173,'S'}, {  171,'T'}, // 15 - 19
	{  157,'U'}, {   21,'V'}, {    0,'W'}, {  156,'X'}, {16395,'Y'}, // 20 - 24
	{  159,'Z'}, {  158,'['}, {  160,'\\'},{16389,']'}, {   10,'^'}, // 25 - 29
	{   11,'_'}, {  152,'`'}, {  161,'a'}, {    1,'b'}, {16402,'c'}, // 30 - 34
	{   19,'d'}, {  172,'e'}, {16392,'f'}, {  153,'g'}, {  162,'h'}, // 35 - 39
	{16390,'i'}, {  163,'j'}, {16391,'k'}, {  155,'l'}, { 8196,'m'}, // 40 - 44
	{16394,'n'}, {   18,'o'}, {  174,'p'}							 // 45 - 47
};
#endif

struct GARMINSYMBOL {
	short Garmin;
	BYTE giii;
    char *Garminname;
	short GM100;
	short XL;
	char OziG;
	short SA;
	char *SAname;
};

//=================================================================
//
// Garmin symbol numbers
//
struct GARMINSYMBOL const Garmin_Symbol_Table[] = {
//---------------------------------------------------------------
// Symbols for marine (group 0...0-8191...bits 15-13=000).
//---------------------------------------------------------------
//    Garmin   Garmin                           LEI  12XL OziG   SA"
//  Symbol #   Name                              #     #  Ltr     #    SA Name
//    ======  =============================     ==   ===  ===    ==    ===============
	{     0, 1, "white anchor",                 25,    6,  22,   51,   "Triangle Up"        },
	{     1, 1, "white bell",                    0,   -1,  33,   18,   "Education"          },
	{     2, 0, "green diamond",                -1,   -1,  -1,   -1,   "-"                  },
	{     3, 0, "red diamond",                  -1,   -1,  -1,   -1,   "-"                  },
	{     4, 0, "diver down flag 1",            -1,   -1,  -1,   -1,   "-"                  },
	{     5, 0, "diver down flag 2",            -1,   -1,  -1,   -1,   "-"                  },
	{     6, 1, "white dollar",                  1,   -1,   2,    7,   "Bank"               },
	{     7, 1, "white fish",                   21,    4,  13,   20,   "Fishing"            },
	{     8, 1, "white fuel",                    6,    2,  14,   21,   "Fuel"               },
	{     9, 0, "white horn",                   -1,   -1,  -1,   -1,   "-"                  },
	{    10, 1, "white house",                   4,    1,  29,   25,   "Home"               },
	{    11, 1, "white knife & fork",            8,   -1,  30,   44,   "Restaurant"         },
	{    12, 0, "white light",                  -1,   -1,  -1,   -1,   "-"                  },
	{    13, 1, "white mug",                    15,   -1,   3,    2,   "Amusement"          },
	{    14, 1, "white skull & crossbones",     20,    9,  11,   11,   "Cemetery"           },
	{    15, 0, "green square",                 -1,   -1,  -1,   -1,   "-"                  },
	{    16, 0, "red square",                   -1,   -1,  -1,   -1,   "-"                  },
	{    17, 0, "white buoy waypoint",          27,   -1,  -1,   -1,   "-"                  },
	{    18, 1, "waypoint dot",                  3,    0,  46,   46,   "Square"             },
	{    19, 1, "white wreck",                  24,    7,  35,   34,   "One Way Right"      },
	{    20, 0, "null symbol (transparent)",    -1,   -1,  -1,   -1,   "-"                  },
	{    21, 1, "man overboard",                23,   -1,  21,   47,   "Star"               },
//------------------------------------------------------
// Marine navaid symbols
//------------------------------------------------------
	{    22, 0, "amber map buoy",               -1,   -1,  -1,   -1,   "-"                  },
	{    23, 0, "black map buoy",               -1,   -1,  -1,   -1,   "-"                  },
	{    24, 0, "blue map buoy",                -1,   -1,  -1,   -1,   "-"                  },
	{    25, 0, "green map buoy",               -1,   -1,  -1,   -1,   "-"                  },
	{    26, 0, "green/red map buoy",           -1,   -1,  -1,   -1,   "-"                  },
	{    27, 0, "green/white map buoy",         -1,   -1,  -1,   -1,   "-"                  },
	{    28, 0, "orange map buoy",              -1,   -1,  -1,   -1,   "-"                  },
	{    29, 0, "red map buoy",                 -1,   -1,  -1,   -1,   "-"                  },
	{    30, 0, "red/green map buoy",           -1,   -1,  -1,   -1,   "-"                  },
	{    31, 0, "red/white map buoy",           -1,   -1,  -1,   -1,   "-"                  },
	{    32, 0, "violet map buoy",              -1,   -1,  -1,   -1,   "-"                  },
	{    33, 0, "white map buoy",               -1,   -1,  -1,   -1,   "-"                  },
	{    34, 0, "white/green map buoy",         -1,   -1,  -1,   -1,   "-"                  },
	{    35, 0, "white/red map buoy",           -1,   -1,  -1,   -1,   "-"                  },
	{    36, 0, "white dot",                    16,   -1,  -1,   24,   "Historic Site"      },
	{    37, 0, "radio beacon",                 -1,   -1,  -1,   55,   "Church"             },
//------------------------------------------------------
//... leave space for more navaids (up to 128 total)
//------------------------------------------------------
	{   150, 1, "boat ramp",                    26,    5,   4,    9,   "Boat Ramp"          },
	{   151, 1, "campground",                   13,   11,   5,   10,   "Campground"         },
	{   152, 1, "restrooms",                    19,   -1,  31,   23,   "Government Building" },
	{   153, 1, "shower",                       22,   -1,  38,   56,   "Police"             },
	{   154, 1, "drinking water",               -1,   -1,  12,    3,   "Arrow Down"         },
	{   155, 1, "telephone",                     7,   -1,  43,   38,   "Phone"              },
	{   156, 1, "first aid",                     2,   14,  23,   19,   "Emergency"          },
	{   157, 1, "information",                  10,   -1,  20,   27,   "Information"        },
	{   158, 1, "parking",                      -1,   -1,  26,   37,   "Parking"            },
	{   159, 1, "park",                         11,   -1,  25,   36,   "Park"               },
	{   160, 1, "picnic",                       14,   -1,  27,   39,   "Picnic"             },
	{   161, 1, "scenic area",                  -1,   -1,  32,   49,   "Stop Sign"          },
	{   162, 1, "skiing",                       -1,   -1,  39,   17,   "Doctor/Dentist"     },
	{   163, 1, "swimming",                     -1,   -1,  41,    8,   "Beach"              },
	{   164, 1, "dam",                          -1,   -1,  10,   54,   "Bridge"             },
	{   165, 0, "controlled area",              -1,   -1,  -1,   32,   "One Way Down"       },
	{   166, 0, "danger",                       -1,   -1,  -1,   -1,   "-"                  },
	{   167, 0, "restricted area",              -1,   -1,  -1,   -1,   "-"                  },
	{   168, 0, "null",                         -1,   -1,  -1,   -1,   "-"                  },
	{   169, 1, "ball",                         -1,   -1,   1,   45,   "Sports"             },
	{   170, 1, "car",                           5,    3,   6,   15,   "Delivery Stop"      },
	{   171, 1, "deer",                         17,   13,  19,    0,   "Agricultural"       },
	{   172, 1, "shopping cart",                -1,   -1,  36,   -1,   "-"                  },
	{   173, 1, "lodging",                      -1,   -1,  18,   29,   "Lodging"            },
	{   174, 1, "mine",                         -1,   -1,  47,   14,   "Cross"              },
    {   175, 2, "trail head",                   27,   -1,  -1,   53,   "Bike"               },
    {   176, 2, "truck stop",                   -1,   -1,  -1,   41,   "Power"              },
	{   177, 1, "user exit",                    -1,    8,  -1,   -1,   "-"                  },
	{   178, 1, "flag",                         -1,   10,  -1,   -1,   "-"                  },
	{   179, 1, "circle_x",                     -1,   12,  -1,   -1,   "-"                  },
//---------------------------------------------------------------
// Symbols for land (group 1...8192-16383...bits 15-13=001).
//---------------------------------------------------------------
	{  8192, 1, "interstate hwy",               -1,   -1,  -1,   48,   "State Capitol"      },
	{  8193, 0, "us hwy",                       -1,   -1,  -1,   -1,   "-"                  },
	{  8194, 0, "state hwy",                    -1,   -1,  -1,   -1,   "-"                  },
	{  8195, 0, "mile marker",                  -1,   -1,  -1,   -1,   "-"                  },
	{  8196, 1, "TracBack (feet)",              18,   15,  44,    4,   "Arrow Left"         },
	{  8197, 1, "golf",                         -1,   -1,  16,   22,   "Golf Course"        },
	{  8198, 1, "small city",                   -1,   -1,   9,   12,   "Circle"             },
	{  8199, 1, "medium city",                  -1,   -1,   8,   43,   "Religious Cross"    },
	{  8200, 1, "large city",                   -1,   -1,   7,   42,   "Religious Star"     },
	{  8201, 0, "intl freeway hwy",             -1,   -1,  -1,   28,   "Library"            },
	{  8202, 0, "intl national hwy",            -1,   -1,  -1,   -1,   "-"                  },
	{  8203, 0, "capitol city (star)",          -1,   -1,  -1,   31,   "National Capitol"   },
	{  8204, 0, "amusement park",               -1,   -1,  -1,   -1,   "-"                  },
	{  8205, 0, "bowling",                      -1,   -1,  -1,   -1,   "-"                  },
	{  8206, 0, "car rental",                   -1,   -1,  -1,   -1,   "-"                  },
	{  8207, 0, "car repair",                   -1,   -1,  -1,   -1,   "-"                  },
	{  8208, 0, "fast food",                    -1,   -1,  -1,   -1,   "-"                  },
	{  8209, 0, "fitness",                      -1,   -1,  -1,   -1,   "-"                  },
	{  8210, 0, "movie",                        -1,   -1,  -1,   -1,   "-"                  },
	{  8211, 0, "museum",                       -1,   -1,  -1,   -1,   "-"                  },
	{  8212, 0, "pharmacy",                     -1,   -1,  -1,   -1,   "-"                  },
	{  8213, 0, "pizza",                        -1,   -1,  -1,   -1,   "-"                  },
	{  8214, 0, "post office",                  -1,   -1,  -1,   40,   "Post Office"        },
	{  8215, 0, "RV park",                      -1,   -1,  -1,   -1,   "-"                  },
	{  8216, 0, "school",                       -1,   -1,  -1,   -1,   "-"                  },
	{  8217, 0, "stadium",                      -1,   -1,  -1,   -1,   "-"                  },
	{  8218, 0, "dept. store",                  -1,   -1,  -1,   -1,   "-"                  },
	{  8219, 0, "zoo",                          -1,   -1,  -1,   52,   "Zoo"                },
//-------------------------------------------------------------
// Symbols for aviation (group 2...16383-24575...bits 15-13=010).
//---------------------------------------------------------------
	{ 16384, 1, "airport",                       9,   -1,   0,    1,   "Airport"            },
	{ 16385, 0, "intersection",                 -1,   -1,  -1,   -1,   "-"                  },
	{ 16386, 0, "non-directional beacon",       -1,   -1,  -1,   -1,   "-"                  },
	{ 16387, 0, "VHF omni-range",               -1,   -1,  -1,   -1,   "-"                  },
	{ 16388, 1, "heliport",                     -1,   -1,  17,   26,   "Industrial"         },
	{ 16389, 1, "private field",                -1,   -1,  28,   13,   "Construction"       },
	{ 16390, 1, "soft field",                   -1,   -1,  40,   16,   "Diamond"            },
	{ 16391, 1, "tall tower",                   -1,   -1,  42,    6,   "Arrow Up"           },
	{ 16392, 1, "short tower",                  12,   -1,  37,   30,   "Mountain"           },
	{ 16393, 1, "glider",                       -1,   -1,  15,    5,   "Arrow Right"        },
	{ 16394, 1, "ultralight",                   -1,   -1,  45,   35,   "One Way Up"         },
	{ 16395, 1, "parachute",                    -1,   -1,  24,   50,   "Triangle Down"      },
	{ 16396, 0, "VOR/TACAN",                    -1,   -1,  -1,   -1,   "_"                  },
	{ 16397, 0, "VOR-DME",                      -1,   -1,  -1,   -1,   "-"                  },
	{ 16398, 0, "first approach fix",           -1,   -1,  -1,   -1,   "-"                  },
	{ 16399, 0, "localizer outer marker",       -1,   -1,  -1,   -1,   "-"                  },
	{ 16400, 0, "missed approach point",        -1,   -1,  -1,   -1,   "-"                  },
	{ 16401, 0, "TACAN",                        -1,   -1,  -1,   -1,   "-"                  },
	{ 16402, 1, "Seaplane Base",                -1,   -1,  34,   33,   "One Way Left"       },
	{    -1, 0, "Dummy",                        -1,   -1,  -1,   -1,   "Dummy"              },
};
//
//  Default Packet IDs
//
enum {
	Pid_Ack_Byte		=   6, // 0x06
	Pid_Nak_Byte		=  21, // 0x15
	Pid_Product_Rget	= 254, // 0xfe
	Pid_Product_Data	= 255  // 0xff
};

//=====================================================================
// L001 - Link Protocol 1
//
enum {
	Pid_Command_data	=  10, // 0x0a
	Pid_Xfer_Cmplt		=  12, // 0x0c
	Pid_Date_Time_Data	=  14, // 0x0e
	Pid_Position_Data	=  17, // 0x11
	Pid_Prx_Wpt_Data	=  19, // 0x13
	Pid_Records			=  27, // 0x1b
	Pid_Rte_Hdr			=  29, // 0x1d
	Pid_Rte_Wpt_Data	=  30, // 0x1e
	Pid_Almanac_Data	=  31, // 0x1f

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