C12313211232233312111111312111133133313331323133313331122332321132312113331331   >>    C1231321123223331211111131211113313331333132313331333112233232113231211333133   <<    C12313211232233312111111312111133133313331323133313331122332321132312113331333   >>      C12313211232233312111111312111133133313331323133313331122332321132312113331332   >>