Unlike this morning's puzzle, this one is a more practical study. It is white to move and win. Can you find the winning method?
8/8/8/p2k3p/P6P/7K/4P3/8 w - - 0 1
1.Kg3! Ke42.Kg2 Ke33.Kf1 Ke44.Ke1 Ke55.Kd1 Kd46.Kd2 Kc47.Ke3 Kb38.Kd3 Kb49.Kd4 Kxa410.Kc4 Ka311.e4 Kb212.e5 a413.e6 a314.e7 a215.e8=Q a1=Q16.Qe2+ Kc117.Qe1+ Kb218.Qd2+ Kb119.Kb3 Qa420.Kxa4 Ka121.Kb3 Kb122.Qb2#