C313212111133131211331333133313331333133311233133313311231333131213331322233231   >>    C31321211113313121133133313331333133313331123313331331123133313121333132223323   <<    C313212111133131211331333133313331333133311233133313311231333131213331322233233   >>      C313212111133131211331333133313331333133311233133313311231333131213331322233232   >>