C111123313331323113313331323133313331311331311331333132233132222121
  >>
   C11112331333132311331333132313331333131133131133133313223313222212
  <<
   C111123313331323113313331323133313331311331311331333132233132222123
  >>
 
 
 C111123313331323113313331323133313331311331311331333132233132222122
  >>