0,1,2,3,4,5,6,7,9,10,11,12,13,14,15,16,18,19,20,21,23,25,28,29,30,31,32,34,35,36,37,39,41,42,43,44,46,47,48,49,50,51, 9,19,21,22,31,35,40,42,45, 0,1,2,3,4,5,6,19,41, 40, 19,31, 35,43, 11, 21, 10,12,13,25,36,49,50, 40, 40, 40, 3,6, 3,6,38, 0,1,2,3,4,5,6, 38, 17,41,49,51, 8,9,13,19,20,21,24,28,31,34,35,37,41,43,48, 47, 2,3,5,6,10,15,25,49,