I needed a 21 mm millimeter socket or wrench.Looked everywhere.After 1 hour,I found a 21 mm wrench in a toolbox I hardly use.While loosening a nut on my car,the forward bracket broke.Now I need to weld on a bracket.All rust.

Anyway, I'll let the reader figure out how I picked 4 #'s,plus the Lucky4Life's Lucky Ball.

Remember the Lucky Ball's largest # is #18 ---hint.... Reverse # when # is too high...

21mm

21 too high-reverse #12

m=13 or #3

21-two ones=11=one number one (1)=1 or #10 

21=#2

m=#13 or #3

Broke Bracket=BB=#22

2  3  10  15  22    (12) 4 Numbers with the Lucky Ball ! 

$5,000.00!