G21131331211331322331323132233131121133132233132321133132322231   >>    G2113133121133132233132313223313112113313223313232113313232223   <<    G21131331211331322331323132233131121133132233132321133132322233   >>      G21131331211331322331323132233131121133132233132321133132322232   >>