C31232233133313221211113313331311331333133112111133132213233231   >>    C3123223313331322121111331333131133133313311211113313221323323   <<    C31232233133313221211113313331311331333133112111133132213233233   >>      C31232233133313221211113313331311331333133112111133132213233232   >>