C31232233133313221211113313331333132313331322121111123121111331322323121   >>    C3123223313331322121111331333133313231333132212111112312111133132232312   <<    C31232233133313221211113313331333132313331322121111123121111331322323123   >>      C31232233133313221211113313331333132313331322121111123121111331322323122   >>