C3132121111331312113313331333133313331333132313331333133313231323132231211   >>    C313212111133131211331333133313331333133313231333133313331323132313223121   <<    C3132121111331312113313331333133313331333132313331333133313231323132231213   >>      C3132121111331312113313331333133313331333132313331333133313231323132231212   >>