C31232233133313221211113313331333132313331322121111121111113313311232321111   >>    C3123223313331322121111331333133313231333132212111112111111331331123232111   <<    C31232233133313221211113313331333132313331322121111121111113313311232321113   >>      C31232233133313221211113313331333132313331322121111121111113313311232321112   >>