[0,1,2,2,3,4,4,5,6,4,5,6,6,7,8,8,9,10,8,9,10,10, 11,12,12,13,14,8,9,10,10,11,12,12,13,14,12,13,14, 14,15,16,16,17,18,16,17,18,18,19,20,20,21,22,16, 17,18,18,19,20,20,21,22,20,21,22,22,23,24,24,25, 26,24,25,26,26,27]