C31232233133313221211113313331333132313331322121111123121111133313232231   >>    C3123223313331322121111331333133313231333132212111112312111113331323223   <<    C31232233133313221211113313331333132313331322121111123121111133313232233   >>      C31232233133313221211113313331333132313331322121111123121111133313232232   >>