now with extra letter NOs! NONONONONONONONONONO the 21 block takes 6 frames to go 6 blocks, the first frame being around 1/4th of a block, then 1/2, then 1 1/2, then 2 1/2, to 5, and then finally to 6 blocks, then it goes 90°.
thanks to superscratch for making the blocks design, me for the animation, and rodolfo for the sound