Solver-verified route
- Place Piece 1 across column 4 row 3, column 5 row 3.
- Place Piece 2 at column 5, row 2.
- Place Piece 3 at column 2, row 3.
Part of the "Double clear" chapter. The solver certified 6 solving lines with 97% of in-between placements being dead ends, for a difficulty score of 16.0 (grade 2 of 5).