C123132112322333121111113121111331333133313231333133323223312122211311   >>    C12313211232233312111111312111133133313331323133313332322331212221131   <<    C123132112322333121111113121111331333133313231333133323223312122211313   >>      C123132112322333121111113121111331333133313231333133323223312122211312   >>