C11112331333132311331333133313331323112211232331121111112121
  >>
   C1111233133313231133133313331333132311221123233112111111212
  <<
   C11112331333132311331333133313331323112211232331121111112123
  >>
 
 
 C11112331333132311331333133313331323112211232331121111112122
  >>