G21131331211331322331323132322132213231323131323131132132323221
  >>
   G2113133121133132233132313232213221323132313132313113213232322
  <<
   G21131331211331322331323132322132213231323131323131132132323223
  >>
 
 
 G21131331211331322331323132322132213231323131323131132132323222
  >>