Level 131 solution

Solver-verified route

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

Part of the "Four lanes" chapter. The solver certified 240 solving lines with 88% of in-between placements being dead ends, for a difficulty score of 17.9 (grade 3 of 5).