Level 184 solution

Solver-verified route

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

Part of the "Deep board" chapter. The solver certified 1000+ solving lines with 81% of in-between placements being dead ends, for a difficulty score of 18.6 (grade 4 of 5).