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