C313212111133131211331333133313331333133311233133313121111133313331322222333131   >>    C31321211113313121133133313331333133313331123313331312111113331333132222233313   <<    C313212111133131211331333133313331333133311233133313121111133313331322222333133   >>      C313212111133131211331333133313331333133311233133313121111133313331322222333132   >>