C31232233133313221211113313331333132313331322121111121133132311312131   >>    C3123223313331322121111331333133313231333132212111112113313231131213   <<    C31232233133313221211113313331333132313331322121111121133132311312133   >>      C31232233133313221211113313331333132313331322121111121133132311312132   >>