digit	count	percent_of_6577_positions
0	875	13.3
1	202	3.1
2	694	10.6
3	650	9.9
4	480	7.3
5	819	12.5
6	464	7.1
7	1152	17.5
8	824	12.5
9	373	5.7
?	44	0.7