C31232233133313221211113313331333132313331322121111121111131133112331   >>    C3123223313331322121111331333133313231333132212111112111113113311233   <<    C31232233133313221211113313331333132313331322121111121111131133112333   >>      C31232233133313221211113313331333132313331322121111121111131133112332   >>