C3132121111331312113313331333133313331333112331333132213331333122321   >>    C313212111133131211331333133313331333133311233133313221333133312232   <<    C3132121111331312113313331333133313331333112331333132213331333122323   >>      C3132121111331312113313331333133313331333112331333132213331333122322   >>