Solver-verified route
- Place Piece 1 at column 8, row 1.
- Place Piece 3 at column 7, row 5.
- Place Piece 4 at column 7, row 6.
- Place Piece 2 across column 6 row 4, column 6 row 5, column 6 row 6, column 6 row 7.
Part of the "Column craft" chapter. The solver certified 24 solving lines with 95% of in-between placements being dead ends, for a difficulty score of 18.0 (grade 4 of 5).