diff --git a/main.go b/main.go
index 469d141..9748428 100644
--- a/main.go
+++ b/main.go
@@ -12,51 +12,203 @@ import (
 func main() {
 
 	blocks := load_blocks()
-	fmt.Println("Total blocks:", len(blocks))
+	// fmt.Println("Total blocks:", len(blocks))
 
 	// Parse parameters
 	// Turn parameters into rows
 	row1 := "769104803"
-	// row2 := "154800060"
-	// row3 := "002700150"
-	// row4 := "600900308"
-	// row5 := "045328670"
-	// row6 := "328670945"
-	// row7 := "597410280"
-	// row8 := "006284090"
-	// row9 := "200590006"
+	row2 := "154800060"
+	row3 := "002700150"
+	row4 := "600900308"
+	row5 := "045328670"
+	row6 := "328670945"
+	row7 := "597410280"
+	row8 := "006284090"
+	row9 := "200590006"
 
 	// Find rows that fit with the entered rows
 	rows1 := find_blocks(blocks, row1)
-	// rows2 := find_blocks(blocks, row2)
-	// rows3 := find_blocks(blocks, row3)
-	// rows4 := find_blocks(blocks, row4)
-	// rows5 := find_blocks(blocks, row5)
-	// rows6 := find_blocks(blocks, row6)
-	// rows7 := find_blocks(blocks, row7)
-	// rows8 := find_blocks(blocks, row8)
-	// rows9 := find_blocks(blocks, row9)
+	rows2 := find_blocks(blocks, row2)
+	rows3 := find_blocks(blocks, row3)
+	rows4 := find_blocks(blocks, row4)
+	rows5 := find_blocks(blocks, row5)
+	rows6 := find_blocks(blocks, row6)
+	rows7 := find_blocks(blocks, row7)
+	rows8 := find_blocks(blocks, row8)
+	rows9 := find_blocks(blocks, row9)
 
-	fmt.Println("len(rows1):", len(rows1))
 	// fmt.Println(rows1)
+	// fmt.Println(rows2)
+	// fmt.Println(rows3)
+	// fmt.Println(rows4)
+	// fmt.Println(rows5)
+	// fmt.Println(rows6)
+	// fmt.Println(rows7)
+	// fmt.Println(rows8)
+	// fmt.Println(rows9)
 
+	// fmt.Println("len(rows1):", len(rows1))
+	// fmt.Println("len(rows2):", len(rows2))
+	// fmt.Println("len(rows3):", len(rows3))
+	// fmt.Println("len(rows4):", len(rows4))
+	// fmt.Println("len(rows5):", len(rows5))
+	// fmt.Println("len(rows6):", len(rows6))
+	// fmt.Println("len(rows7):", len(rows7))
+	// fmt.Println("len(rows8):", len(rows8))
+	// fmt.Println("len(rows9):", len(rows9))
+
+	fmt.Println("Number of iterations:", len(rows1)*len(rows2)*len(rows3)*len(rows4)*len(rows5)*len(rows6)*len(rows7)*len(rows8)*len(rows9))
+	iter := len(rows1) * len(rows2) * len(rows3) * len(rows4) * len(rows5) * len(rows6) * len(rows7) * len(rows8) * len(rows9)
+
+	solutions := check_combinations(rows1, rows2, rows3, rows4, rows5, rows6, rows7, rows8, rows9, iter)
+
+	fmt.Println(solutions)
+
+}
+
+func check_combinations(rows1 []int, rows2 []int, rows3 []int, rows4 []int, rows5 []int, rows6 []int, rows7 []int, rows8 []int, rows9 []int, iter int) []string {
+	var combinations []string
+	var counter int
+	var percentage float32
+
+	for rows1_index := range rows1 {
+		for rows2_index := range rows2 {
+			for rows3_index := range rows3 {
+				for rows4_index := range rows4 {
+					for rows5_index := range rows5 {
+						for rows6_index := range rows6 {
+							for rows7_index := range rows7 {
+								for rows8_index := range rows8 {
+									for rows9_index := range rows9 {
+										if validate_combination(rows1[rows1_index], rows2[rows2_index], rows3[rows3_index], rows4[rows4_index], rows5[rows5_index], rows6[rows6_index], rows7[rows7_index], rows8[rows8_index], rows9[rows9_index]) {
+											combinations = append(combinations, render_combination(rows1[rows1_index], rows2[rows2_index], rows3[rows3_index], rows4[rows4_index], rows5[rows5_index], rows6[rows6_index], rows7[rows7_index], rows8[rows8_index], rows9[rows9_index]))
+										}
+										counter = counter + 1
+										if counter%1000000 == 0 {
+											percentage = (float32(counter) / (float32(iter) / 100))
+											fmt.Println("Processing:", percentage, "%")
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+	return combinations
+}
+
+func validate_combination(row1 int, row2 int, row3 int, row4 int, row5 int, row6 int, row7 int, row8 int, row9 int) bool {
+	var retval bool
+	retval = true
+
+	row1s := strconv.Itoa(row1)
+	row2s := strconv.Itoa(row2)
+	row3s := strconv.Itoa(row3)
+	row4s := strconv.Itoa(row4)
+	row5s := strconv.Itoa(row5)
+	row6s := strconv.Itoa(row6)
+	row7s := strconv.Itoa(row7)
+	row8s := strconv.Itoa(row8)
+	row9s := strconv.Itoa(row9)
+
+	for index := range 9 {
+		if row1s[index] == row2s[index] || row1s[index] == row3s[index] || row1s[index] == row4s[index] || row1s[index] == row5s[index] || row1s[index] == row6s[index] || row1s[index] == row7s[index] || row1s[index] == row8s[index] || row1s[index] == row9s[index] {
+			retval = false
+		}
+
+		if row2s[index] == row1s[index] || row2s[index] == row3s[index] || row2s[index] == row4s[index] || row2s[index] == row5s[index] || row2s[index] == row6s[index] || row2s[index] == row7s[index] || row2s[index] == row8s[index] || row2s[index] == row9s[index] {
+			retval = false
+		}
+
+		if row3s[index] == row1s[index] || row3s[index] == row2s[index] || row3s[index] == row4s[index] || row3s[index] == row5s[index] || row3s[index] == row6s[index] || row3s[index] == row7s[index] || row3s[index] == row8s[index] || row3s[index] == row9s[index] {
+			retval = false
+		}
+
+		if row4s[index] == row1s[index] || row4s[index] == row2s[index] || row4s[index] == row3s[index] || row4s[index] == row5s[index] || row4s[index] == row6s[index] || row4s[index] == row7s[index] || row4s[index] == row8s[index] || row4s[index] == row9s[index] {
+			retval = false
+		}
+
+		if row5s[index] == row1s[index] || row5s[index] == row2s[index] || row5s[index] == row3s[index] || row5s[index] == row4s[index] || row5s[index] == row6s[index] || row5s[index] == row7s[index] || row5s[index] == row8s[index] || row5s[index] == row9s[index] {
+			retval = false
+		}
+
+		if row6s[index] == row1s[index] || row6s[index] == row2s[index] || row6s[index] == row3s[index] || row6s[index] == row4s[index] || row6s[index] == row5s[index] || row6s[index] == row7s[index] || row6s[index] == row8s[index] || row6s[index] == row9s[index] {
+			retval = false
+		}
+
+		if row7s[index] == row1s[index] || row7s[index] == row2s[index] || row7s[index] == row3s[index] || row7s[index] == row4s[index] || row5s[index] == row6s[index] || row7s[index] == row6s[index] || row7s[index] == row8s[index] || row7s[index] == row9s[index] {
+			retval = false
+		}
+
+		if row8s[index] == row1s[index] || row8s[index] == row2s[index] || row8s[index] == row3s[index] || row8s[index] == row4s[index] || row8s[index] == row5s[index] || row8s[index] == row6s[index] || row8s[index] == row7s[index] || row8s[index] == row9s[index] {
+			retval = false
+		}
+
+		if row9s[index] == row1s[index] || row9s[index] == row2s[index] || row9s[index] == row3s[index] || row9s[index] == row4s[index] || row9s[index] == row5s[index] || row9s[index] == row6s[index] || row9s[index] == row7s[index] || row9s[index] == row8s[index] {
+			retval = false
+		}
+
+	}
+
+	return retval
+}
+
+func render_combination(row1 int, row2 int, row3 int, row4 int, row5 int, row6 int, row7 int, row8 int, row9 int) string {
+
+	row1s := strconv.Itoa(row1)
+	row2s := strconv.Itoa(row2)
+	row3s := strconv.Itoa(row3)
+	row4s := strconv.Itoa(row4)
+	row5s := strconv.Itoa(row5)
+	row6s := strconv.Itoa(row6)
+	row7s := strconv.Itoa(row7)
+	row8s := strconv.Itoa(row8)
+	row9s := strconv.Itoa(row9)
+
+	// combination = row1s + "\n" + row2s + "\n" + row3s + "\n" + row4s + "\n" + row5s + "\n" + row6s + "\n" + row7s + "\n" + row8s + "\n" + row9s + "\n"
+
+	return row1s + "\n" + row2s + "\n" + row3s + "\n" + row4s + "\n" + row5s + "\n" + row6s + "\n" + row7s + "\n" + row8s + "\n" + row9s + "\n"
 }
 
 func find_blocks(blocks []int, row string) []int {
 	// Declare selection
 	var selection []int
+	var curr_blocks []int
 
-	fmt.Println(row)
+	// fmt.Println(row)
 	for letter := range row {
-		fmt.Println("Letter", row[letter])
-		//curr_number := row[letter]
-		for block := range blocks {
-			// fmt.Println(blocks[block])
-			curr_row := strconv.Itoa(blocks[block])
-			fmt.Println(curr_row[0])
-			//if curr_number ==
+
+		if len(selection) == 0 {
+			curr_blocks = blocks
+		} else {
+			curr_blocks = selection
+			selection = nil
 		}
-	}
+
+		// fmt.Println("Letter:", row[letter])
+		// fmt.Println("len(curr_blocks):", len(curr_blocks))
+		// fmt.Println("curr_blocks[0]:", curr_blocks[0])
+
+		for block := range curr_blocks {
+
+			curr_row := strconv.Itoa(curr_blocks[block])
+
+			if row[letter] == curr_row[letter] {
+				found_row, _ := strconv.Atoi(curr_row)
+				selection = append(selection, found_row)
+			}
+			if row[letter] == '0' {
+				found_row, _ := strconv.Atoi(curr_row)
+				selection = append(selection, found_row)
+			}
+
+		} // End for-loop
+
+	} // End for-loop
 
 	// Return selection
 	return selection