C31232233133313221211113313331311331333133112111133211231323221   >>    C3123223313331322121111331333131133133313311211113321123132322   <<    C31232233133313221211113313331311331333133112111133211231323223   >>      C31232233133313221211113313331311331333133112111133211231323222   >>