You are given the network $192\mathrm{.}168\mathrm{.}3\mathrm{.}0255\mathrm{.}255\mathrm{.}255\mathrm{.}0.$ Borrow the least number

of bits to produce usable subnets for $6$ broadcast domains and still be able to accommodate $20$ users per subnet. What is the

range and the new subnet mask?