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public void solveNext(int[][] matrix,boolean[][]change, int row, int col, int j) throws Exception{
		col++;
		if(col == 9){
			row++;
			col = 0;
		}
		
		while(change[col][row]== false ){
			col++;
			if(col == 9){
				row++;
				col = 0;
			}
		}
		

		for(int k=j; k<=9;k++){


			count++;
			if(count >100000){
				System.out.println(count);
			}

			matrix[row][col] = k;


			boolean chkk = chk(matrix,row,col);

			if(chkk &&(row == 8 && col == 8)){
				throw new Exception();	


			}else if(chkk) {
				solveNext(matrix,change,row,col, 1);


			}

		


		}
		matrix[row][col] = -1;
		return;
	}