Setup and opening position
Eight cells are fixed to symbol one or two and eight remain editable. The revealed pattern is selected only when the finite solver finds one valid completion.
Fill all sixteen cells so each row and column is balanced two-to-two and no three consecutive cells share a symbol.
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Fill all sixteen cells so each row and column is balanced two-to-two and no three consecutive cells share a symbol.
Complete guide
Unruly Puzzle is a complete browser implementation with its own versioned rules profile. Complete a four-by-four binary grid with equal numbers of both symbols in every row and column while forbidding any horizontal or vertical run of three.
Eight cells are fixed to symbol one or two and eight remain editable. The revealed pattern is selected only when the finite solver finds one valid completion.
Set an unfixed cell to symbol one or two, or clear it. Fixed clues cannot change, and completed rows and columns must contain two of each symbol.
Fill all sixteen cells so each row and column is balanced two-to-two and no three consecutive cells share a symbol. When only one or two blanks remain, confirm both symbol counts and all length-three windows; the final balance choice is not legal if it completes a triple.
A pair of identical adjacent symbols forces the cells beside it to the opposite value, while a row already holding two copies forces its remaining blanks. Balancing rows alone can create a forbidden vertical triple or overload a column, so every deduction must be checked in both directions before it is committed.
Fill all sixteen cells so each row and column is balanced two-to-two and no three consecutive cells share a symbol.
Set an unfixed cell to symbol one or two, or clear it. Fixed clues cannot change, and completed rows and columns must contain two of each symbol.
A pair of identical adjacent symbols forces the cells beside it to the opposite value, while a row already holding two copies forces its remaining blanks.