[0,1,1,0,3,3,0,5,5,0,7,7,0,9,9,0,11,11,0,13,13,0, 15,15,0,17,17,0,19,19,0,21,21,0,23,23,0,25,25,0, 27,27,0,29,29,0,31,31,0,33,33,0,35,35,0,37,37,0, 39,39,0,41,41,0,43,43,0,45,45,0,47,47,0,49,49,0, 51,51,0,53,53,0]