below is what your spending if you make offer for player and max bid is 20 token oppo get`s but you also spend more too Nordeus
i`v just check with highest token offer on neg list ( 10 ) << starting offer

your offered no tokens Nordeus get 10 ten tokens from bidder

1 token offer Nordeus get`s 12 so bidder spending 13
2 token offer Nordeus get`s 14 so bidder spends 16
^^^^^
every one token offer Nordeus 2 extra