C111123313331323113313331323133313331311331311331333133312113313131
  >>
   C11112331333132311331333132313331333131133131133133313331211331313
  <<
   C111123313331323113313331323133313331311331311331333133312113313133
  >>
 
 
 C111123313331323113313331323133313331311331311331333133312113313132
  >>