536 puzzles, #481, p.192, p.395 :
[1][3][3][2]
1 = 1
2 = 2
3 = 3
4 = 1 + 3
5 = 3 + 2
6 = 3 + 3
7 = 1 + 3 + 3
8 = 3 + 3 + 2
9 = 1 + 3 + 3 + 2
536 puzzles, #481, p.192, p.395 :
[1][3][3][2]
1 = 1
2 = 2
3 = 3
4 = 1 + 3
5 = 3 + 2
6 = 3 + 3
7 = 1 + 3 + 3
8 = 3 + 3 + 2
9 = 1 + 3 + 3 + 2