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