[2,1,3,2,1,7,3,2,1,31,5,3,2,1,211,7,5,3,2,1,2311, 11,7,5,3,2,1,30031,13,11,7,5,3,2,1,510511,17,13, 11,7,5,3,2,1,9699691,19,17,13,11,7,5,3,2,1, 223092871,23,19,17,13,11,7,5,3,2,1,6469693231,29, 23,19,17,13,11,7,5,3]