ALLOYS	CASTINGS	STRENGTH
1	1	13.2
1	1	15.5
1	2	15.2
1	2	15
1	3	14.8
1	3	14.2
1	4	14.6
1	4	15.1
2	1	17.1
2	1	16.7
2	2	16.5
2	2	17.3
2	3	16.1
2	3	15.4
2	4	17.4
2	4	16.8
3	1	14.1
3	1	14.8
3	2	13.2
3	2	13.9
3	3	14.5
3	3	14.7
3	4	13.8
3	4	13.5