C21111113313132322331323331323113313233232213231133131111
  >>
   C2111111331313232233132333132311331323323221323113313111
  <<
   C21111113313132322331323331323113313233232213231133131113
  >>
 
 
 C21111113313132322331323331323113313233232213231133131112
  >>