The standard grapefruit packs are:
(1) 28's, which are packed by placing 2 and 1 alternately in 3 rows, 3 layers high, 5 and 4 alternately to the layer;
(2) 36's, which are packed by placing 2 and 2 alternately in 3 rows, 3 layers high, 6 to the layer;
(3) 46's, which are packed by placing 3 and 2 alternately in 3 rows, 3 layers high, 8 and 7 alternately to the layer;
(4) 54's, which are packed by placing 3 and 3 alternately in 3 rows, 3 layers high, 9 to the layer;
(5) 64's, which are packed by placing 2 and 2 alternately in 4 rows, 4 layers high, 8 to the layer;
(6) 80's, which are packed by placing 2 and 2 alternately in 4 rows, 5 layers high, 8 to the layer; and
(7) 96's, which are packed by placing 3 and 3 alternately in 4 rows, 4 layers high, 12 to the layer.