C123132112322333121111113121111331333133313231333133322213312122233112231   >>    C12313211232233312111111312111133133313331323133313332221331212223311223   <<    C123132112322333121111113121111331333133313231333133322213312122233112233   >>      C123132112322333121111113121111331333133313231333133322213312122233112232   >>