C3132121111331312113313331333133313331333112331333132213113233231   >>    C313212111133131211331333133313331333133311233133313221311323323   <<    C3132121111331312113313331333133313331333112331333132213113233233   >>      C3132121111331312113313331333133313331333112331333132213113233232   >>