G211313312113313223313231322331311211331322331323211331323221211111331123221   >>    G21131331211331322331323132233131121133132233132321133132322121111133112322   <<    G211313312113313223313231322331311211331322331323211331323221211111331123223   >>      G211313312113313223313231322331311211331322331323211331323221211111331123222   >>