My question is different from the one being marked as duplicate of. The problem with my question arises when the octet in which I'm working in is used up but there are still networks left to be assigned suitable addresses.
I have 4 networks connected to 1 router. Number of users on each network are; 99, 77, 13 and 5. The starting or working network address is 192.168.10.0/24. Using VLSM, I'm supposed to get each network suitable range of host addresses. I started from the network with the highest users and realized by the time i got to network with 13 users, all the host addresses in the 4th octet were used up. So i decided to enter the 3rd octet since all the hosts there are not used up and i get network address of 192.168.11.0/28. Am i correct? Or in this case, i should have started from network with the smallest users?