G12132313131323223313132322331323132333132322113313231323132121   >>    G1213231313132322331313232233132313233313232211331323132313212   <<    G12132313131323223313132322331323132333132322113313231323132123   >>      G12132313131323223313132322331323132333132322113313231323132122   >>