Level 150 solution

Solver-verified route

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

Part of the "Four lanes" chapter. The solver certified 120 solving lines with 96% of in-between placements being dead ends, for a difficulty score of 18.4 (grade 4 of 5).