... 4 5 6 7 8 9 10 t 1 1 ,5 2 2 ,5 3 3 ,5 4 4 ,5 5 l =1 1 (1,2) (1,2,3) (1,2,3,4) (1,2,3,4 ,5) (1,2,3,4 ,5, 6) (1,2,3,4 ,5, 6,7) (1,2,3,4 ,5, 6,7,8) (1,2,3,4 ,5, 6,7,8,9) l =2 2 (2,3) (2,3,4) (2,3,4 ,5) ... (2,3,4 ,5) (2,3,4 ,5, 6) (2,3,4 ,5, 6,7) (2,3,4 ,5, 6,7,8) l =3 3 (3,4) (3,4 ,5) (3,4 ,5, 6) (3,4 ,5, 6,7) l =4 4 (4 ,5) (4 ,5, 6) l =5 5 Table 2 . The table of structures tSl for l =5 and t=1, 1½, ... group decision making. Integer programming approach, Proceedings of 6th International Conference on Methods and Models in Automation and Robotics MMAR 2000, Międzyzdroje, Poland, 193-198 Bury...