Ok...
Breakfast = B = L*3
Lunch = L
Supper = S = L*6
Table F
Lunch: 4
Breakfast: 3 (L*3≠ 3)
Supper: 10 (L*6 ≠ 10)
Table G
Lunch: 4
Breakfast: 4 (L*3≠ 4)
Supper: 12 (L*6 ≠ 12)
Table H
Lunch: 3
Breakfast: 9 (L*3= 9)
Supper: 18 (L*6 = 18)
Table I
Lunch: 3
Breakfast: 0 (L*3≠ 0)
Supper: 4 (L*6 ≠ 4)