#6 is an eligible number, and being on the end of the line is an eligible position. As long as there were no more than 11 offensive players on the field, and at least 5, of a total of at least 7 who were on the line of scrimmage, were numbered between 50-79 the formation is legal. The snapper is an eleigible receiver whose catch of a legal forward pass scores 2 points in a Try situation.