G121323131313232233131323223313231323223313331323331312312312121   >>    G12132313131323223313132322331323132322331333132333131231231212   <<    G121323131313232233131323223313231323223313331323331312312312123   >>      G121323131313232233131323223313231323223313331323331312312312122   >>