Solver-verified route
- Place Piece 1 across column 4 row 7, column 4 row 8, column 5 row 8.
- Place Piece 2 across column 1 row 7, column 2 row 7.
- Place Piece 3 across column 3 row 7, column 3 row 8.
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 16.3 (grade 2 of 5).