Solver-verified route
- Place Piece 1 across column 3 row 5, column 3 row 6.
- Place Piece 2 across column 4 row 6, column 5 row 6, column 6 row 6, column 7 row 6.
- Place Piece 3 across column 4 row 5, column 5 row 5.
Part of the "Double clear" chapter. The solver certified 6 solving lines with 98% of in-between placements being dead ends, for a difficulty score of 16.2 (grade 2 of 5).