C111123313331323113313331333133313331323133112113313112131131
  >>
   C11112331333132311331333133313331333132313311211331311213113
  <<
   C111123313331323113313331333133313331323133112113313112131133
  >>
 
 
 C111123313331323113313331333133313331323133112113313112131132
  >>