Solver-verified route
- Place Piece 1 across column 1 row 4, column 1 row 5, column 1 row 6, column 2 row 6.
- Place Piece 2 across column 5 row 4, column 6 row 4.
- Place Piece 3 at column 7, row 4.
- Place Piece 4 across column 8 row 4, column 7 row 5, column 8 row 5.
Part of the "Corner work" chapter. The solver certified 48 solving lines with 95% of in-between placements being dead ends, for a difficulty score of 18.0 (grade 4 of 5).