C31232233133313221211113313331333132313331322121111112113121111211   >>    C3123223313331322121111331333133313231333132212111111211312111121   <<    C31232233133313221211113313331333132313331322121111112113121111213   >>      C31232233133313221211113313331333132313331322121111112113121111212   >>