C31232233133313221211113313331311331333133112133313231333131111121   >>    C3123223313331322121111331333131133133313311213331323133313111112   <<    C31232233133313221211113313331311331333133112133313231333131111123   >>      C31232233133313221211113313331311331333133112133313231333131111122   >>