C123132112322333121111113121111331333133313331123313113112133213232212321   >>    C12313211232233312111111312111133133313331333112331311311213321323221232   <<    C123132112322333121111113121111331333133313331123313113112133213232212323   >>      C123132112322333121111113121111331333133313331123313113112133213232212322   >>