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cubics planes digital clocks probability gerrymandering averages determinants graphs integers pascal's triangle square grids parabolas number digits area routes crosswords doubling square numbers consecutive integers axes 2d shapes grids odd numbers angles squares tiling numbers grids bases quadrilaterals multiplication speed books time geometry square roots cryptic clues lines median multiples games arrows irreducible numbers scales numbers menace ave surds spheres sums prime numbers ellipses unit fractions integration medians regular shapes crossnumbers combinatorics tangents digital products partitions symmetry dates products means fractions indices crossnumber floors geometric means sport division cryptic crossnumbers algebra calculus rectangles neighbours matrices people maths palindromes complex numbers proportion circles albgebra remainders shape coordinates quadratics star numbers balancing mean sequences cube numbers binary geometric mean elections folding tube maps chess dice differentiation factorials even numbers perfect numbers polynomials volume addition coins range 3d shapes pentagons christmas sum to infinity decahedra cards logic shapes dominos sets hexagons functions money triangles colouring perimeter taxicab geometry expansions chocolate percentages probabilty trigonometry wordplay rugby the only crossnumber tournaments triangle numbers factors clocks advent polygons dodecagons consecutive numbers powers chalkdust crossnumber