However to do so they will have to beat Grenoble at the Stade des Alpes and Solomons knows it will require a big performance from his side.
"I haven't sat worrying about (the permutations)," Solomons told the Scotsman.
"The approach we've taken is we've got to win this game.
"They're sitting on 18 points, we're on 17. It's a game we need to win. We know it's going to be tough. We've got a lengthy journey out there and they're a good side who are at home. But I believe we have got a good side as well. We just need to perform well on the day.
"Top six (in the GUINNESS PRO12) is absolutely critical but one of our aims was to make the quarter-final in the Challenge Cup.
"So we'd like to meet that goal if we can. We can then re-assess. There are two parts to this competition - the round robin then the play-offs. We've got to fight like anything to make the play-offs, which is what we're trying to do."
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