C3132121111331312113313331333133313331333112331333132332131131211121   >>    C313212111133131211331333133313331333133311233133313233213113121112   <<    C3132121111331312113313331333133313331333112331333132332131131211123   >>      C3132121111331312113313331333133313331333112331333132332131131211122   >>