C3123223313331322121111331333131133133313311211113313113313231311   >>    C312322331333132212111133133313113313331331121111331311331323131   <<    C3123223313331322121111331333131133133313311211113313113313231313   >>      C3123223313331322121111331333131133133313311211113313113313231312   >>