G12132313131323223313132322331323132333132322221323132322233231   >>    G1213231313132322331313232233132313233313232222132313232223323   <<    G12132313131323223313132322331323132333132322221323132322233233   >>      G12132313131323223313132322331323132333132322221323132322233232   >>