C31232233133313221211113313331333132313331322121111112133313111111   >>    C3123223313331322121111331333133313231333132212111111213331311111   <<    C31232233133313221211113313331333132313331322121111112133313111113   >>      C31232233133313221211113313331333132313331322121111112133313111112   >>