C3123223313331322121111331333133313121111331323131133132313112121221   >>    C312322331333132212111133133313331312111133132313113313231311212122   <<    C3123223313331322121111331333133313121111331323131133132313112121223   >>      C3123223313331322121111331333133313121111331323131133132313112121222   >>