C123132112322333121111113121111331333133313231333133323223312122211213112111121   >>    C12313211232233312111111312111133133313331323133313332322331212221121311211112   <<    C123132112322333121111113121111331333133313231333133323223312122211213112111123   >>      C123132112322333121111113121111331333133313231333133323223312122211213112111122   >>