G2113133121133132233132313223313112113313223313232113313221212121   >>    G211313312113313223313231322331311211331322331323211331322121212   <<    G2113133121133132233132313223313112113313223313232113313221212123   >>      G2113133121133132233132313223313112113313223313232113313221212122   >>