C31232233133313221211113313331333132313331211113313331121111211   >>    C3123223313331322121111331333133313231333121111331333112111121   <<    C31232233133313221211113313331333132313331211113313331121111213   >>      C31232233133313221211113313331333132313331211113313331121111212   >>