C313212111133131211331333133313331333133311233133313221111333131   >>    C31321211113313121133133313331333133313331123313331322111133313   <<    C313212111133131211331333133313331333133311233133313221111333133   >>      C313212111133131211331333133313331333133311233133313221111333132   >>