C123132112322333121111113121111331333133313231333133311223323212122222131   >>    C12313211232233312111111312111133133313331323133313331122332321212222213   <<    C123132112322333121111113121111331333133313231333133311223323212122222133   >>      C123132112322333121111113121111331333133313231333133311223323212122222132   >>