C31232233133313221211113313331333133313311211111323223313331333131133132323221   >>    C3123223313331322121111331333133313331331121111132322331333133313113313232322   <<    C31232233133313221211113313331333133313311211111323223313331333131133132323223   >>      C31232233133313221211113313331333133313311211111323223313331333131133132323222   >>