G211313312113313223313231322331311211331322331323211331323221231   >>    G21131331211331322331323132233131121133132233132321133132322123   <<    G211313312113313223313231322331311211331322331323211331323221233   >>      G211313312113313223313231322331311211331322331323211331323221232   >>