C31232233133313221211113313331333132313331322121111331313123232311   >>    C3123223313331322121111331333133313231333132212111133131312323231   <<    C31232233133313221211113313331333132313331322121111331313123232313   >>      C31232233133313221211113313331333132313331322121111331313123232312   >>