I finished this puzzle a couple of weeks ago. The first version that was posted had multiple solutions, so they revised it and reposted it. Pretty easy, but I like my large gattai to be relaxing, not taxing.
Code:
9...7.6.5.86.........6.....5....8.1.2.8..5.934.193.......5.7......489......1.....
2..85.........7......9.1...6.......9.59...76.........3.............32........9...
.....9.3....18........2.8.....2.....3.2.5..4..143...25...87.......9..........1...
..8......75.642...6....9....19.635.2..7..4.6..6215..9..2.3.....87..1.............
...8...................2........1.453.......8.1.7.62.......8...............1.....
...8..2........5.....9.7..6.8.2.57....9......7...3........2.8.....1.3..2...7....4
....1................3.2...7.21.3..91..5.8.6..6....1.......7.....79......2.6.....
...2.8................9......17.....4...697.3.....3.5.....8.......3...72...95..3.
.....6......47.......35....1.....7.42..74...8....6859.7.........2.9.54..89.....3.
2..85.........7......9.1...6.......9.59...76.........3.............32........9...
.....9.3....18........2.8.....2.....3.2.5..4..143...25...87.......9..........1...
..8......75.642...6....9....19.635.2..7..4.6..6215..9..2.3.....87..1.............
...8...................2........1.453.......8.1.7.62.......8...............1.....
...8..2........5.....9.7..6.8.2.57....9......7...3........2.8.....1.3..2...7....4
....1................3.2...7.21.3..91..5.8.6..6....1.......7.....79......2.6.....
...2.8................9......17.....4...697.3.....3.5.....8.......3...72...95..3.
.....6......47.......35....1.....7.42..74...8....6859.7.........2.9.54..89.....3.