[0,0,0,0,1,0,1,0,4,4,5,5,6,6,6,6,7,7,8,8,8,8,9,9, 9,9,9,9,10,10,11,11,11,11,11,11,12,12,12,12,13,13, 14,14,14,14,15,15,15,15,15,15,16,16,16,16,16,16, 17,17,18,18,18,18,18,18,19,19,19,19,20,20,21,21, 21,21,21,21]