C123132112322333121111113121111331333133313231333133323223312122211231233131   >>    C12313211232233312111111312111133133313331323133313332322331212221123123313   <<    C123132112322333121111113121111331333133313231333133323223312122211231233133   >>      C123132112322333121111113121111331333133313231333133323223312122211231233132   >>