Level 204 solution

Solver-verified route

1. Place Piece 1 at column 3, row 4.
2. Place Piece 2 across column 6 row 3, column 6 row 4, column 6 row 5, column 6 row 6.
3. Place Piece 3 at column 2, row 2.
4. Place Piece 4 across column 1 row 1, column 1 row 2, column 1 row 3.
5. Place Piece 5 across column 4 row 5, column 5 row 5, column 4 row 6.
6. Place Piece 6 across column 2 row 3, column 1 row 4, column 2 row 4, column 1 row 5.

Part of the "Final columns" chapter. The solver certified 540 solving lines with 94% of in-between placements being dead ends, for a difficulty score of 19.2 (grade 4 of 5).