Solver-verified route
- Place Piece 1 across column 8 row 6, column 8 row 7, column 8 row 8.
- Place Piece 2 across column 5 row 6, column 6 row 6, column 6 row 7, column 7 row 7.
- Place Piece 3 across column 3 row 5, column 4 row 5, column 3 row 6.
- Place Piece 4 across column 6 row 4, column 7 row 4, column 5 row 5, column 6 row 5.
- Place Piece 5 across column 4 row 8, column 5 row 8, column 6 row 8, column 7 row 8.
- Place Piece 6 across column 3 row 4, column 4 row 4, column 5 row 4.
Part of the "Deep board" chapter. The solver certified 720 solving lines with 96% of in-between placements being dead ends, for a difficulty score of 19.5 (grade 4 of 5).