2/		15+	21*	5/	22+
8+
		576*		13+		7
	84*				6+	240*
				9+
42*	30*	9+	5/
					3/

Difficulty: Difficult ()

18+		1-	2	12+	25+
			16+
11+					1-
	16+			14+
			8+		2	7+
14+		1-			4+
			2-

Difficulty: Impossible ()

35*	240*			36*		24*
	5	84*		14*
	48*		90*
					140*	42*
	504*			72*
6*			2			5*
		35*

Difficulty: Difficult ()

450*		42*		2/	4200*	7/
		24*
21*						2/
	20*		3/	3780*
112*					6*	30*
84*					12*

Difficulty: Medium ()