C21111113313132322331323331323113313232211211211112121221
  >>
   C2111111331313232233132333132311331323221121121111212122
  <<
   C21111113313132322331323331323113313232211211211112121223
  >>
 
 
 C21111113313132322331323331323113313232211211211112121222
  >>