C212212121212113313221323131323131323132322331323231323231131
  >>
   C21221212121211331322132313132313132313232233132323132323113
  <<
   C212212121212113313221323131323131323132322331323231323231133
  >>
 
 
 C212212121212113313221323131323131323132322331323231323231132
  >>