Solver-verified route
- Place Piece 1 across column 4 row 2, column 4 row 3.
- Place Piece 2 across column 2 row 1, column 3 row 1.
- Place Piece 3 across column 4 row 1, column 5 row 1, column 6 row 1, column 5 row 2.
- Place Piece 4 across column 1 row 2, column 2 row 2, column 3 row 2.
Part of the "Corner work" chapter. The solver certified 24 solving lines with 97% of in-between placements being dead ends, for a difficulty score of 14.2 (grade 1 of 5).