C31232233133313221211113313331333133313331212111133132321123231121   >>    C3123223313331322121111331333133313331333121211113313232112323112   <<    C31232233133313221211113313331333133313331212111133132321123231123   >>      C31232233133313221211113313331333133313331212111133132321123231122   >>