C123132112322333121111113121111331333133313331123313113112133223312221   >>    C12313211232233312111111312111133133313331333112331311311213322331222   <<    C123132112322333121111113121111331333133313331123313113112133223312223   >>      C123132112322333121111113121111331333133313331123313113112133223312222   >>