C123132112322333121111113121111331333133313331123313113112132132312211   >>    C12313211232233312111111312111133133313331333112331311311213213231221   <<    C123132112322333121111113121111331333133313331123313113112132132312213   >>      C123132112322333121111113121111331333133313331123313113112132132312212   >>