C31232233133313221211113313331333132313331333133313331333133313331123331211   >>    C3123223313331322121111331333133313231333133313331333133313331333112333121   <<    C31232233133313221211113313331333132313331333133313331333133313331123331213   >>      C31232233133313221211113313331333132313331333133313331333133313331123331212   >>