All coordinate values by 22 pins by doing 2 reference pins the evidence. There are discrepancies in the grade 3 and pin 1 Reference evidence. There are discrepancies in the grade 3 as well.
Find the coordinates of all 22 pins with two reference pins is evidence that the error is in the first 3 pins evidence and reference the error is in the third floor as well.
From finding the coordinates all 22 pins by the reference 2 pins evidence The error in the job 3 and reference 1 pins evidence The error in the job 3 as well