Solver-verified route
- Place Piece 1 across column 3 row 3, column 4 row 3, column 5 row 3, column 6 row 3.
- Place Piece 2 across column 7 row 3, column 8 row 3.
- Place Piece 3 across column 3 row 4, column 4 row 4, column 5 row 4.
Part of the "Double clear" chapter. The solver certified 12 solving lines with 96% of in-between placements being dead ends, for a difficulty score of 15.9 (grade 2 of 5).