Langford's Problem solutions for n=7 Represented as a Patchwork Quilt

7 3 6 2 5 3 2 4 7 6 5 1 4 1
7 2 6 3 2 4 5 3 7 6 4 1 5 1
7 2 4 6 2 3 5 4 7 3 6 1 5 1
7 3 1 6 1 3 4 5 7 2 6 4 2 5
7 1 4 1 6 3 5 4 7 3 2 6 5 2
7 1 3 1 6 4 3 5 7 2 4 6 2 5
7 4 1 5 1 6 4 3 7 5 2 3 6 2
7 2 4 5 2 6 3 4 7 5 3 1 6 1
5 7 2 6 3 2 5 4 3 7 6 1 4 1
3 7 4 6 3 2 5 4 2 7 6 1 5 1
5 7 4 1 6 1 5 4 3 7 2 6 3 2
5 7 2 3 6 2 5 3 4 7 1 6 1 4
1 7 1 2 6 4 2 5 3 7 4 6 3 5
5 7 1 4 1 6 5 3 4 7 2 3 6 2
1 7 1 2 5 6 2 3 4 7 5 3 6 4
2 7 4 2 3 5 6 4 3 7 1 5 1 6
6 2 7 4 2 3 5 6 4 3 7 1 5 1
2 6 7 2 1 5 1 4 6 3 7 5 4 3
3 6 7 1 3 1 4 5 6 2 7 4 2 5
5 1 7 1 6 2 5 4 2 3 7 6 4 3
2 3 7 2 6 3 5 1 4 1 7 6 5 4
4 1 7 1 6 4 2 5 3 2 7 6 3 5
5 2 7 3 2 6 5 3 4 1 7 1 6 4
3 5 7 4 3 6 2 5 4 2 7 1 6 1
3 5 7 2 3 6 2 5 4 1 7 1 6 4
2 4 7 2 3 6 4 5 3 1 7 1 6 5

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