C111113331333132322331333133313331323132311211331311221123231211
  >>
   C11111333133313232233133313331333132313231121133131122112323121
  <<
   C111113331333132322331333133313331323132311211331311221123231213
  >>
 
 
 C111113331333132322331333133313331323132311211331311221123231212
  >>