Diss succumbed to yet another home defeat and now find themselves isolated in the bottom three of London One North.
North Walsham maintained their encouraging start to the season at Mackenders, scoring 50 points for the second week in a row.
Diss opened their London One North campaign with a difficult away fixture and suffered a heavy defeat.
Playing on a Friday evening under newly installed floodlights added to the close nature of this bottom of the table clash.
Norwich secured a thoroughly deserved Norfolk Cup victory against Diss in conditions that called for a defined game plan and determined defensive strategy.
Diss suffered a complete reality check at the weekend against a very well organised and determined Old Priorians side.
A performance of total dominance and authority saw Diss put two disappointing defeats behind them to record a third away win of the season.
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