C3132121111331312113313331333133313331333112331333132313232212311331   >>    C313212111133131211331333133313331333133311233133313231323221231133   <<    C3132121111331312113313331333133313331333112331333132313232212311333   >>      C3132121111331312113313331333133313331333112331333132313232212311332   >>