C111123313331323113313331333133313331323133112113313131121131
  >>
   C11112331333132311331333133313331333132313311211331313112113
  <<
   C111123313331323113313331333133313331323133112113313131121133
  >>
 
 
 C111123313331323113313331333133313331323133112113313131121132
  >>