C313212111133131211331333133313331311331333131133133313223313112331333131321121   >>    C31321211113313121133133313331333131133133313113313331322331311233133313132112   <<    C313212111133131211331333133313331311331333131133133313223313112331333131321123   >>      C313212111133131211331333133313331311331333131133133313223313112331333131321122   >>