C123132112322333121111113121111331333133313331123313113112133113232131   >>    C12313211232233312111111312111133133313331333112331311311213311323213   <<    C123132112322333121111113121111331333133313331123313113112133113232133   >>      C123132112322333121111113121111331333133313331123313113112133113232132   >>