[19,9,8,7,6,5,6,7,8,9,18,17,16,15,14,15,16,17,18, 19,26,25,24,23,24,25,26,27,28,29,34,33,32,33,34, 35,36,37,38,39,42,41,42,43,44,45,46,47,48,49,50, 51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66, 67,68,69,70,71]