C11111211113313112113313331333131133133313113313331323133313331333133311212121
  >>
   C1111121111331311211331333133313113313331311331333132313331333133313331121212
  <<
   C11111211113313112113313331333131133133313113313331323133313331333133311212123
  >>
 
 
 C11111211113313112113313331333131133133313113313331323133313331333133311212122
  >>