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@@ -0,0 +1,74 @@
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+package main
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+
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+import (
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+ "fmt"
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+ "strconv"
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+)
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+
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+func main() {
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+ blocks := generate_blocks()
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+ fmt.Println(len(blocks))
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+ fmt.Println(blocks[0])
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+}
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+
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+func generate_blocks() []int {
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+
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+ var blocks []int
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+ decvals := [9]int{49, 50, 51, 52, 53, 54, 55, 56, 57}
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+
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+ for counter := 123456789; counter <= 987654321; counter++ {
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+
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+ // Convert number to string ([]byte)
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+ digits := strconv.Itoa(counter)
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+
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+ // Check if every number is only represented only once
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+ var valid bool
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+ valid = true
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+ for decval := range decvals {
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+ var count int
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+ for digit := range digits {
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+ if digits[digit] == byte(decvals[decval]) {
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+ count = count + 1
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+ }
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+ }
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+
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+ if count != 1 {
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+ valid = false
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+ }
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+ }
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+
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+ if valid {
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+ blocks = append(blocks, counter)
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+ }
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+ }
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+
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+ return blocks
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+
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+}
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+
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+// counter: 123456789
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+// 1st Digit: 1 (49)
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+// 2nd Digit: 2 (50)
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+// 3rd Digit: 3 (51)
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+// 4th Digit: 4 (52)
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+// 5th Digit: 5 (53)
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+// 6th Digit: 6 (54)
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+// 7th Digit: 7 (55)
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+// 8th Digit: 8 (56)
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+// 9th Digit: 9 (57)
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+
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+// 362880
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+
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+// 1 2 3
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+// 4 5 6
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+// 7 8 9
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+
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+// 1: 1 2 3 4 7
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+// 2: 1 2 3 5 8
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+// 3: 1 2 3 6 9
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+// 4: 1 4 5 6 7
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+// 5: 2 4 5 6 8
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+// 6: 3 4 5 6 9
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+// 7: 1 4 7 8 9
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+// 8: 2 5 7 8 9
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+// 9: 3 6 7 8 9
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