G12132313131323223313132322331323132333132322231323132312112331   >>    G1213231313132322331313232233132313233313232223132313231211233   <<    G12132313131323223313132322331323132333132322231323132312112333   >>      G12132313131323223313132322331323132333132322231323132312112332   >>