[4,6,7,7,8,9,9,10,10,10,11,11,12,12,12,13,13,13, 13,14,14,14,15,15,15,15,16,16,16,16,16,17,17,17, 17,18,18,18,18,18,19,19,19,19,19,19,20,20,20,20, 20,21,21,21,21,21,21,22,22,22,22,22,22,22,23,23, 23,23,23,23,24,24,24,24]