C31232233133313221211113313331333133313331212111113231311312111   >>    C3123223313331322121111331333133313331333121211111323131131211   <<    C31232233133313221211113313331333133313331212111113231311312113   >>      C31232233133313221211113313331333133313331212111113231311312112   >>