C31232233133313221211113313331333132313331333133313231311332321   >>    C3123223313331322121111331333133313231333133313331323131133232   <<    C31232233133313221211113313331333132313331333133313231311332323   >>      C31232233133313221211113313331333132313331333133313231311332322   >>