C31232233133313221211113313331333132313331333133313121331123211   >>    C3123223313331322121111331333133313231333133313331312133112321   <<    C31232233133313221211113313331333132313331333133313121331123213   >>      C31232233133313221211113313331333132313331333133313121331123212   >>