<!-- Hide the codes
	
	arraySolutions = new Array(4);
	arraySolutions[0] = new Array(31);
	arraySolutions[1] = new Array(31);
	arraySolutions[2] = new Array(31);
	arraySolutions[3] = new Array(31);
	
	arraySolutions[0][0] = "381675249";    	// the first line is the witzzle
	arraySolutions[0][1] = "9 - 2 x 4 = 1";
	arraySolutions[0][2] = "(7+5) ÷ 6 = 2";
	arraySolutions[0][3] = "6 ÷ (7-5) = 3";
	arraySolutions[0][4] = "8 - 3 - 1 = 4";
	arraySolutions[0][5] = "6 - 3 + 2 = 5";
	arraySolutions[0][6] = "7 - 6 + 5 = 6";
	arraySolutions[0][7] = "7 ÷ (6-5) = 7";
	arraySolutions[0][8] = "7 + 6 - 5 = 8";
	arraySolutions[0][9] = "6 x 3 ÷ 2 = 9";
	arraySolutions[0][10] = "(9-4) x 2 = 10";
	arraySolutions[0][11] = "8 + 3 x 1 = 11";
	arraySolutions[0][12] = "6 + 3 x 2 = 12";
	arraySolutions[0][13] = "7 x 2 - 1 = 13";
	arraySolutions[0][14] = "8 x 7 ÷ 4 = 14";
	arraySolutions[0][15] = "9 + 4 + 2 = 15";
	arraySolutions[0][16] = "8 x (3-1) = 16";
	arraySolutions[0][17] = "9 + 4 x 2 = 17";
	arraySolutions[0][18] = "9 x (4-2) = 18";
	arraySolutions[0][19] = "8 + 7 + 4 = 19";
	arraySolutions[0][20] = "7 x 4 - 8 = 20";
	arraySolutions[0][21] = "(8-1) x 3 = 21";
	arraySolutions[0][22] = "4 + 2 x 9 = 22";
	arraySolutions[0][23] = "3 x 8 - 1 = 23";
	arraySolutions[0][24] = "(6+2) x 3 = 24";
	arraySolutions[0][25] = "8 x 4 - 7 = 25";
	arraySolutions[0][26] = "(4+9) x 2 = 26";
	arraySolutions[0][27] = "(8+1) x 3 = 27";
	arraySolutions[0][28] = "(9-2) x 4 = 28";
	arraySolutions[0][29] = "7 x 5 - 6 = 29";
	arraySolutions[0][30] = "(3+2) x 6 = 30";

	arraySolutions[1][0] = "924385671";    	// the first line is the witzzle
	arraySolutions[1][1] = "9 - 2 x 4 = 1";
	arraySolutions[1][2] = "7 - 6 + 1 = 2";
	arraySolutions[1][3] = "9 ÷ (6-3) = 3";
	arraySolutions[1][4] = "8 ÷ (5-3) = 4";
	arraySolutions[1][5] = "(9+6) ÷ 3 = 5";
	arraySolutions[1][6] = "3 + 8 - 5 = 6";
	arraySolutions[1][7] = "9 + 2 - 4 = 7";
	arraySolutions[1][8] = "(8-6) x 4 = 8";
	arraySolutions[1][9] = "(8-5) x 3 = 9";
	arraySolutions[1][10] = "(9-4) x 2 = 10";
	arraySolutions[1][11] = "9 - 2 + 4 = 11";
	arraySolutions[1][12] = "7 + 6 - 1 = 12";
	arraySolutions[1][13] = "(7+6) x 1 = 13";
	arraySolutions[1][14] = "7 + 6 + 1 = 14";
	arraySolutions[1][15] = "9 + 4 + 2 = 15";
	arraySolutions[1][16] = "9 + 8 - 1 = 16";
	arraySolutions[1][17] = "9 + 2 x 4 = 17";
	arraySolutions[1][18] = "9 x 4 ÷ 2 = 18";
	arraySolutions[1][19] = "4 x 5 - 1 = 19";
	arraySolutions[1][20] = "4 x 5 x 1 = 20";
	arraySolutions[1][21] = "9 x 3 - 6 = 21";
	arraySolutions[1][22] = "4 + 2 x 9 = 22";
	arraySolutions[1][23] = "8 + 3 x 5 = 23";
	arraySolutions[1][24] = "(5+1) x 4 = 24";
	arraySolutions[1][25] = "(8-3) x 5 = 25";
	arraySolutions[1][26] = "(9+4) x 2 = 26";
	arraySolutions[1][27] = "(6-3) x 9 = 27";
	arraySolutions[1][28] = "(9-2) x 4 = 28";
	arraySolutions[1][29] = "5 + 3 x 8 = 29";
	arraySolutions[1][30] = "(8+7) x 2 = 30";

	arraySolutions[2][0] = "538492167";    	// the first line is the witzzle
	arraySolutions[2][1] = "(8-5) ÷ 3 = 1";
	arraySolutions[2][2] = "5 - 4 + 1 = 2";
	arraySolutions[2][3] = "9 - 4 - 2 = 3";
	arraySolutions[2][4] = "8 ÷ (5-3) = 4";
	arraySolutions[2][5] = "(9+6) ÷ 3 = 5";
	arraySolutions[2][6] = "3 + 9 - 6 = 6";
	arraySolutions[2][7] = "9 - 4 + 2 = 7";
	arraySolutions[2][8] = "5 + 4 - 1 = 8";
	arraySolutions[2][9] = "(8-5) x 3 = 9";
	arraySolutions[2][10] = "(9-4) x 2 = 10";
	arraySolutions[2][11] = "9 + 4 - 2 = 11";
	arraySolutions[2][12] = "9 - 3 + 6 = 12";
	arraySolutions[2][13] = "8 - 2 + 7 = 13";
	arraySolutions[2][14] = "9 x 2 - 4 = 14";
	arraySolutions[2][15] = "9 + 4 + 2 = 15";
	arraySolutions[2][16] = "8 x (5-3) = 16";
	arraySolutions[2][17] = "9 + 4 x 2 = 17";
	arraySolutions[2][18] = "(4-2) x 9 = 18";
	arraySolutions[2][19] = "5 x 4 - 1 = 19";
	arraySolutions[2][20] = "5 x 4 x 1 = 20";
	arraySolutions[2][21] = "3 x 9 - 6 = 21";
	arraySolutions[2][22] = "4 + 9 x 2 = 22";
	arraySolutions[2][23] = "8 + 5 x 3 = 23";
	arraySolutions[2][24] = "(5+1) x 4 = 24";
	arraySolutions[2][25] = "(8-3) x 5 = 25";
	arraySolutions[2][26] = "(4+9) x 2 = 26";
	arraySolutions[2][27] = "(6-3) x 9 = 27";
	arraySolutions[2][28] = "(9-2) x 4 = 28";
	arraySolutions[2][29] = "5 + 3 x 8 = 29";
	arraySolutions[2][30] = "(8+7) x 2 = 30";

	arraySolutions[3][0] = "431695827";    	// the first line is the witzzle
	arraySolutions[3][1] = "(4-3) x 1 = 1";
	arraySolutions[3][2] = "(8-7) x 2 = 2";
	arraySolutions[3][3] = "7 - 8 ÷ 2 = 3";
	arraySolutions[3][4] = "8 ÷ (6-4) = 4";
	arraySolutions[3][5] = "9 ÷ 3 + 2 = 5";
	arraySolutions[3][6] = "4 + 3 - 1 = 6";
	arraySolutions[3][7] = "(4+3) x 1 = 7";
	arraySolutions[3][8] = "9 - 6 + 5 = 8";
	arraySolutions[3][9] = "(6-5) x 9 = 9";
	arraySolutions[3][10] = "6 + 9 - 5 = 10";
	arraySolutions[3][11] = "4 x 3 - 1 = 11";
	arraySolutions[3][12] = "9 - 4 + 7 = 12";
	arraySolutions[3][13] = "8 - 2 + 7 = 13";
	arraySolutions[3][14] = "3 + 9 + 2 = 14";
	arraySolutions[3][15] = "(9-6) x 5 = 15";
	arraySolutions[3][16] = "(3+1) x 4 = 16";
	arraySolutions[3][17] = "8 + 2 + 7 = 17";
	arraySolutions[3][18] = "4 + 6 + 8 = 18";
	arraySolutions[3][19] = "4 x 7 - 9 = 19";
	arraySolutions[3][20] = "6 + 9 + 5 = 20";
	arraySolutions[3][21] = "6 x 5 - 9 = 21";
	arraySolutions[3][22] = "8 + 2 x 7 = 22";
	arraySolutions[3][23] = "7 + 8 x 2 = 23";
	arraySolutions[3][24] = "(9-5) x 6 = 24";
	arraySolutions[3][25] = "3 x 9 - 2 = 25";
	arraySolutions[3][26] = "4 x 8 - 6 = 26";
	arraySolutions[3][27] = "(7-4) x 9 = 27";
	arraySolutions[3][28] = "(5-1) x 7 = 28";
	arraySolutions[3][29] = "4 x 9 - 7 = 29";
	arraySolutions[3][30] = "(7-1) x 5 = 30";

// -->