Question about keyspase

result for --keyspace ?l?d:
v.1.31 - 260
v.1.35 - 10.
Is it error or I must modify my script
for distributed broot-force?
Script for 1.31 for 10 nodes:
-s 0 -l 26
-s 26 -l 26
...
-s 234 -l 26.