The deal
Deal two decks in eight rows of thirteen, then remove the eight Aces to create gaps.
Grid & sequence puzzles · The Tileworks
Deal two decks in eight rows of thirteen, then remove the eight Aces to create gaps.
Select a card, then choose a highlighted destination.
Deal two decks in eight rows of thirteen, then remove the eight Aces to create gaps.
Fill a leftmost gap with any Two. Otherwise fill a gap with a card one rank higher and of the same suit as its left neighbor. A gap after a King is dead. Two redeals reshuffle cards outside the completed row prefixes.
Make eight complete same-suit Two-to-King rows, each ending in a gap.
A Two at a row start fixes that row's suit. Balance duplicate suits so that both copies have room to develop.
Double Montana is part of The Tileworks · Grid & sequence puzzles and is a variant of Gaps. Eight rows of thirteen and two decks double the Gaps puzzle.