C212212121212113313221323131323133313132322331323231323131113111
  >>
   C21221212121211331322132313132313331313232233132323132313111311
  <<
   C212212121212113313221323131323133313132322331323231323131113113
  >>
 
 
 C212212121212113313221323131323133313132322331323231323131113112
  >>