These probabilities are incorrect due to an off by 1 error in the generator script. 

The correct numbers can be found here: https://pastebin.com/29RkDt3L





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NOTE: These numbers may not be completely accurate, but they do reflect my current knowledge about how spinners work.

X axis: spinner's direction when you started moving
Y axis: number of frames since spinner last moved
Value:  probability of spinner facing down after 16 frames (1 walk step)

Only even frame counts are given because spinners update every 2 frames.

EDIT: It seems that the tick difference is actually 9 and not 8, which suggests that it takes 18 frames and not 16 to take that first step after the pause buffer.  

	| down	| up	| left	| right
---------------------------------------
0	| 0.758	| 0.062	| 0.062	| 0.117
2	| 0.729	| 0.070	| 0.070	| 0.131
4	| 0.720	| 0.073	| 0.073	| 0.135
6	| 0.711	| 0.075	| 0.075	| 0.139
8	| 0.701	| 0.078	| 0.078	| 0.144
10	| 0.690	| 0.080	| 0.080	| 0.149
12	| 0.679	| 0.083	| 0.083	| 0.155
14	| 0.666	| 0.087	| 0.087	| 0.161
16	| 0.653	| 0.090	| 0.090	| 0.167
18	| 0.638	| 0.094	| 0.094	| 0.174
20	| 0.623	| 0.098	| 0.098	| 0.182
22	| 0.606	| 0.102	| 0.102	| 0.190
24	| 0.587	| 0.107	| 0.107	| 0.199
26	| 0.566	| 0.112	| 0.112	| 0.209
28	| 0.543	| 0.118	| 0.118	| 0.220
30	| 0.518	| 0.125	| 0.125	| 0.232
32	| 0.490	| 0.132	| 0.132	| 0.246
34	| 0.458	| 0.141	| 0.141	| 0.261
36	| 0.421	| 0.150	| 0.150	| 0.279
38	| 0.380	| 0.161	| 0.161	| 0.298
40	| 0.332	| 0.173	| 0.173	| 0.321
42	| 0.277	| 0.188	| 0.188	| 0.348
44	| 0.211	| 0.205	| 0.205	| 0.380
46	| 0.132	| 0.225	| 0.225	| 0.418
48	| 0.147	| 0.222	| 0.222	| 0.409
50	| 0.165	| 0.219	| 0.219	| 0.397
52	| 0.187	| 0.214	| 0.214	| 0.384
54	| 0.214	| 0.208	| 0.208	| 0.369
56	| 0.250	| 0.200	| 0.200	| 0.350
58	| 0.301	| 0.188	| 0.188	| 0.324
60	| 0.383	| 0.167	| 0.167	| 0.284
62	| 0.540	| 0.125	| 0.125	| 0.210