As uq = 6,
“s” is the middle point between “u” and “q”. Where uq is assumed to be a line of length 6 units.
Now there are many solutions, as specific criterion is not defined in the question.
So
for us = 1, qs = 5
for us = 2, qs = 4
for us = 3, qs = 3
for us = 4, qs = 2
for us = 5, qs = 1