spitting a ip range into 3 scopes

I want to split a class c network (192.168.1.0) into three scopes.

The fist scope having address 1 - 126 (mask of 128)

second having address 127 - 190 (mask 192)

last having address 191 - 252 (mask 192)

I constantly am having errors from the 2008R2 DHCP server giving errors ranging from "not valid for this range" or "conflicting with a previous range)  (of which there are no other ranges) ... trying to set this up in a lap first before putting on the network and making me pull my hair.  I even tried the superscope but its not letting me.

Any help would be great.