4. The teacher wrote a sequence of numbers on the blackboard: $1,4,7,10,13,16$, $\qquad$ Xiao Ming took 5 consecutive numbers from this sequence and added them.

The teacher wrote another sequence of numbers: $2,4,6,8,10,12$, $\qquad$ Xiao Li took 5 consecutive numbers from this sequence and added them.

Xiao Ming's sum is 100 more than Xiao Li's sum, so the smallest number Xiao Ming took is $\qquad$ $ـ$ larger than the smallest number Xiao Li took.
$18$