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MAKE A 4 DIGIT NUMBER USING 1, 2, 3 AND 4 ONCE ONLY (2 (3 (4 (1), 1 (4)),…
MAKE A 4 DIGIT NUMBER USING 1, 2, 3 AND 4 ONCE ONLY
2
3
4
1
1
4
1
4
3
3
4
4
3
1
1
3
4
3
2
1
1
2
2
3
1
1
3
1
3
2
2
3
3
2
4
1
1
4
1
2
4
4
2
4
2
1
1
2
1
3
2
4
4
2
2
4
3
3
4
4
2
3
3
2