C3132121111331312113313331333133313331333112331333132233132313223111   >>    C313212111133131211331333133313331333133311233133313223313231322311   <<    C3132121111331312113313331333133313331333112331333132233132313223113   >>      C3132121111331312113313331333133313331333112331333132233132313223112   >>