111,113,115,117,119,131,133,135,137,139,151,153,155,157,159,171,173,175,177,179,191,193,195,197,199
311,313,315,317,319,331,333,335,337,339,351,353,355,357,359,371,373,375,377,379,391,393,395,397,399,511,513,515...597,599
711,713,715...797,799
911,913,915...997,999
всего получается 23875.