Solver-verified route
- Place Piece 1 across column 5 row 3, column 4 row 4, column 5 row 4.
- Place Piece 2 across column 4 row 2, column 5 row 2, column 4 row 3.
- Place Piece 5 across column 4 row 5, column 5 row 5, column 4 row 6.
- Place Piece 3 across column 5 row 6, column 6 row 6, column 7 row 6.
- Place Piece 4 at column 6, row 3.
- Place Piece 6 across column 2 row 6, column 2 row 7, column 3 row 7, column 2 row 8.
Part of the "Final columns" chapter. The solver certified 720 solving lines with 90% of in-between placements being dead ends, for a difficulty score of 18.4 (grade 4 of 5).