C31232233133313221211113313331333132313331322121111123121111121111331123331211   >>    C3123223313331322121111331333133313231333132212111112312111112111133112333121   <<    C31232233133313221211113313331333132313331322121111123121111121111331123331213   >>      C31232233133313221211113313331333132313331322121111123121111121111331123331212   >>