Color Block Jam level 1521
Compare the board with yours: the game shuffles level numbers, but the board stays the same.
Solution videos
Other boards numbered 1521
The game shuffled level numbers. If the board above isn't yours, it may be one of these.
613Videos: 4 · also 1521
1515 · 3Videos: 4 · also 1518, 1521, 1524, 1529
1518 · 3Videos: 4 · also 1521, 1524, 1526, 1530
1521 · 2Videos: 3 · also 1517