3687,3686,3686,3687,3688,3695,3696,3699,3699,3697,3696,3695,3695,3688,3688,3689,3689;1121,1122,1123,1124,1124,1126,1127,1127,1126,1124,1124,1125,1126,1124,1123,1123,1121