Level 238 solution

Solver-verified route

1. Place Piece 1 at column 8, row 4.
2. Place Piece 4 at column 6, row 7.
3. Place Piece 2 across column 1 row 2, column 1 row 3.
4. Place Piece 3 across column 2 row 6, column 2 row 7.
5. Place Piece 5 across column 6 row 4, column 7 row 4, column 6 row 5.
6. Place Piece 7 across column 7 row 7, column 8 row 7, column 7 row 8.
7. Place Piece 6 across column 7 row 2, column 6 row 3, column 7 row 3.

Part of the "Seven lines" chapter. The solver certified 1000+ solving lines with 82% of in-between placements being dead ends, for a difficulty score of 18.3 (grade 4 of 5).