Level 167 solution

Solver-verified route

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

Part of the "Tall order" chapter. The solver certified 120 solving lines with 95% of in-between placements being dead ends, for a difficulty score of 17.4 (grade 3 of 5).