C31232233133313221211113313331333133313332321333131133132313331311331121   >>    C3123223313331322121111331333133313331333232133313113313231333131133112   <<    C31232233133313221211113313331333133313332321333131133132313331311331123   >>      C31232233133313221211113313331333133313332321333131133132313331311331122   >>