[0,1,3,4,5,5,6,6,7,7,7,7,8,8,8,8,9,9,9,9,9,9,9,10, 10,10,10,10,10,10,10,10,11,11,11,11,11,11,11,11, 11,11,11,11,11,11,12,12,12,12,12,12,12,12,12,12, 12,12,12,12,12,12,12,12,13,13,13,13,13,13,13]