C31232233133313221211113313331333133313332321333131133132231131   >>    C3123223313331322121111331333133313331333232133313113313223113   <<    C31232233133313221211113313331333133313332321333131133132231133   >>      C31232233133313221211113313331333133313332321333131133132231132   >>