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