C31232233133313221211113313331333132313331322121111133313231311211322233231   >>    C3123223313331322121111331333133313231333132212111113331323131121132223323   <<    C31232233133313221211113313331333132313331322121111133313231311211322233233   >>      C31232233133313221211113313331333132313331322121111133313231311211322233232   >>