G12132313131323223313132322331323132322331333132313331323221221   >>    G1213231313132322331313232233132313232233133313231333132322122   <<    G12132313131323223313132322331323132322331333132313331323221223   >>      G12132313131323223313132322331323132322331333132313331323221222   >>