C123132112322333121111113121111331333133313231333232323223113131   >>    C12313211232233312111111312111133133313331323133323232322311313   <<    C123132112322333121111113121111331333133313231333232323223113133   >>      C123132112322333121111113121111331333133313231333232323223113132   >>