G12132313131323223313132322331323132322331333132333131313231221   >>    G1213231313132322331313232233132313232233133313233313131323122   <<    G12132313131323223313132322331323132322331333132333131313231223   >>      G12132313131323223313132322331323132322331333132333131313231222   >>