C12313211232233312111111312111133133313331323133313332322331212211121   >>    C1231321123223331211111131211113313331333132313331333232233121221112   <<    C12313211232233312111111312111133133313331323133313332322331212211123   >>      C12313211232233312111111312111133133313331323133313332322331212211122   >>