C313212111133131211331333133313331333133311233133313233313223113313111121211   >>    C31321211113313121133133313331333133313331123313331323331322311331311112121   <<    C313212111133131211331333133313331333133311233133313233313223113313111121213   >>      C313212111133131211331333133313331333133311233133313233313223113313111121212   >>