15# {{5,666},{3,1105},{5,1542},{1,1988},{6,1988},{3,2825},{5,3237},{1,3674},{6,3674},{5,4128},{3,4609},{2,5040},{1,5457},{3,5483},{1,6295},{1,7136},{3,7593},{2,8012},{3,8444},{4,8851},{8,8879},{6,9684},{8,10116},{3,10531},{6,10554},{5,10972},{3,11413},{1,11856},{2,12328},{1,13161},{2,13964},{5,14766},{5,15192},{4,15659},{6,15660},{6,16484},{8,16893},{5,17326},{9,17327},{8,17758},{6,18192},{5,18603},{3,19036},{6,19036},{5,19468},{3,19879},{2,20288},{1,20716},{3,20716},{5,20938},{3,21149},{1,21555