[0,1,0,3,4,3,2,1,0,9,10,9,12,13,12,11,10,9,8,7,6, 5,4,3,2,1,0,27,28,27,30,31,30,29,28,27,36,37,36, 39,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26, 25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9, 8,7,6,5,4,3,2]