0, name0 1, name1 3, name3 5, name5 ----- pool 0 1 3 5 score 1 1 2 3 4 3 3 5 5 sel1 -1 3 1 5 sel2 -1 -1 -1 -1 track1score 1 2 3 4 5 6 -1 -1 track2score -1 -1 -1 -1 -1 -1 -1 -1 ----- pool 0 1 3 5 score 1 1 2 3 4 3 3 5 5 sel1 -1 3 1 5 sel2 1 -1 -1 3 track1score 1 2 3 4 5 6 -1 -1 track2score