G211313312113313223313231322331311211331322331323211331322123221   >>    G21131331211331322331323132233131121133132233132321133132212322   <<    G211313312113313223313231322331311211331322331323211331322123223   >>      G211313312113313223313231322331311211331322331323211331322123222   >>