I realized something strange after some test.
I have a lot of equipment. All running for searches about these puzzles.

To have fun, I chose to search via vanity in last days.
I have desktops and notebooks with latest and powerful intel chips, nvidia graphics, 120GB DDR5 etc. each. On vanity, these setups find ~20 addresses per day for each.

However, when I applied vanity via apple silicone chips (M1, M2, M3), daily found vanity addresses ~500.
I observed the behavior, and when it picks a vanity address in the pool I search, immediately it finds 5-6 addresses more in milliseconds, it is moving to the numbers to check that might have the vanity around some near numbers for example


^{1MVDYUvrcMqdprCTYuthuaQxWWAL8Ty2KS 220647290646478288674
1MVDYE2EHY3VR3AXKrD7mYvpSgD2SGgqZb 257335783054352585279
1MVDYuE5HGPjYaEH72sZukwNXhdtdKSQRY 280101386265359359876
1MVDYNcMjPsAW1PQgjwCGRNwijJMSW1UcR 274962343828436157207
1MVDYGms9qGRsrDD7AuoyYJBZnJTzAj9B8 213173989571665196391
1MVDYnfq7s3yG8fdnhQ66cqDa4h2DNoGeB 247904416465366500764
1MVDYY8GUU8or4WfLSrsbHip8F7pwA4xpv 243282287509672730681
1MVDYxMNG8fKf9fvX3r5PmwNXY8tjfESsu 245042251007899478320
1MVDY8aYEQsCWqU2MVWRjhrLHaX28SHFky 270190501490895327846}


These are found in the same second and it keeps this behavior.

This behavior made me crazy guys. I do not understand how it can do this.