C31232233133313221211113313331333132313331322121111123121111332332311   >>    C3123223313331322121111331333133313231333132212111112312111133233231   <<    C31232233133313221211113313331333132313331322121111123121111332332313   >>      C31232233133313221211113313331333132313331322121111123121111332332312   >>