C123132112322333121111113121111331333133313231333232323222322311   >>    C12313211232233312111111312111133133313331323133323232322232231   <<    C123132112322333121111113121111331333133313231333232323222322313   >>      C123132112322333121111113121111331333133313231333232323222322312   >>