Solver-verified route
- Place Piece 1 across column 2 row 6, column 3 row 6, column 4 row 6, column 4 row 7.
- Place Piece 2 across column 6 row 6, column 7 row 6, column 8 row 6, column 8 row 7.
- Place Piece 3 across column 7 row 1, column 7 row 2.
- Place Piece 6 across column 4 row 2, column 4 row 3.
- Place Piece 4 across column 2 row 7, column 3 row 7, column 2 row 8, column 3 row 8.
- Place Piece 5 across column 5 row 7, column 4 row 8, column 5 row 8.
- Place Piece 7 across column 5 row 1, column 6 row 1, column 5 row 2.
Part of the "Master columns" chapter. The solver certified 1000+ solving lines with 84% of in-between placements being dead ends, for a difficulty score of 19.0 (grade 4 of 5).