C31232233133313221211113313331333132313331322121111123121111133313132332311   >>    C3123223313331322121111331333133313231333132212111112312111113331313233231   <<    C31232233133313221211113313331333132313331322121111123121111133313132332313   >>      C31232233133313221211113313331333132313331322121111123121111133313132332312   >>