C3132121111331312113313331333133313331333112331333132323213322113121   >>    C313212111133131211331333133313331333133311233133313232321332211312   <<    C3132121111331312113313331333133313331333112331333132323213322113123   >>      C3132121111331312113313331333133313331333112331333132323213322113122   >>