#p algebras
Append( LIE_DATA[7], [
[7,2,4,"<a,b|p^2a-wbab,pb-wbaa-xbaaa,class=4>",[[4,1],[3,1],[5,w,7,x],[5,1],[6,1],[7,w],[],[7,-w],[],[6,w],[7,1]],"x~-x",,"7.250"],
[7,2,4,"<a,b|p^2a-wbab-xbaaa,pb-wbaa,class=4>",[[4,1],[3,1],[5,w],[5,1],[6,1],[7,w],[],[7,-w],[],[6,w,7,x],[7,1]],"x ne 0, x~-x",,"7.251"]
]);