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