variable step size

2014-01-23 107 variable step size

2014-12-19 111 variable step size

2014-01-12 142 variable step size

2013-12-02 148 variable step size

2017-08-15 161 variable step size

2017-08-12 172 variable step size

2017-06-20 130 variable step size

2025-05-21 7 variable step size

2015-08-18 180 variable step size

2015-12-31 91 variable step size