G21131331211331322331323132233131121133132233132321133131112231   >>    G2113133121133132233132313223313112113313223313232113313111223   <<    G21131331211331322331323132233131121133132233132321133131112233   >>      G21131331211331322331323132233131121133132233132321133131112232   >>