C3123121111113313121111331333133313331333223313331313331323311321211   >>    C312312111111331312111133133313331333133322331333131333132331132121   <<    C3123121111113313121111331333133313331333223313331313331323311321213   >>      C3123121111113313121111331333133313331333223313331313331323311321212   >>