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