Solver-verified route
- Place Piece 1 across column 2 row 5, column 3 row 5, column 2 row 6.
- Place Piece 2 across column 3 row 2, column 3 row 3, column 3 row 4.
- Place Piece 3 across column 2 row 1, column 3 row 1.
- Place Piece 4 across column 7 row 4, column 7 row 5.
- Place Piece 5 across column 6 row 1, column 5 row 2, column 6 row 2.
- Place Piece 6 across column 4 row 3, column 5 row 3, column 5 row 4.
Part of the "Final columns" chapter. The solver certified 240 solving lines with 93% of in-between placements being dead ends, for a difficulty score of 19.0 (grade 4 of 5).