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  2. List of impossible puzzles - Wikipedia

    en.wikipedia.org/wiki/List_of_impossible_puzzles

    It is impossible to solve in half of the starting positions. [1] Five room puzzle – Cross each wall of a diagram exactly once with a continuous line. [2] MU puzzle – Transform the string MI to MU according to a set of rules. [3] Mutilated chessboard problem – Place 31 dominoes of size 2×1 on a chessboard with two opposite corners removed ...

  3. Passiflora foetida - Wikipedia

    en.wikipedia.org/wiki/Passiflora_foetida

    Passiflora foetida (common names: stinking passionflower, wild maracuja, bush passion fruit, wild water lemon, [1] stoneflower, [1] love-in-a-mist, or running pop [1]) is a species of passion flower that is native to the southwestern United States (southern Texas and Arizona), Mexico, [2] the Caribbean, Central America, and much of South America.

  4. Archimedes's cattle problem - Wikipedia

    en.wikipedia.org/wiki/Archimedes's_cattle_problem

    The problem, as translated into English by Ivor Thomas, states: [9] If thou art diligent and wise, O stranger, compute the number of cattle of the Sun, who once upon a time grazed on the fields of the Thrinacian isle of Sicily, divided into four herds of different colours, one milk white, another a glossy black, a third yellow and the last dappled.

  5. Induction puzzles - Wikipedia

    en.wikipedia.org/wiki/Induction_puzzles

    One strategy for solving this version of the hat problem employs Hamming codes, which are commonly used to detect and correct errors in data transmission. The probability for winning will be much higher than 50%, depending on the number of players in the puzzle configuration: for example, a winning probability of 87.5% for 7 players.

  6. Masyu - Wikipedia

    en.wikipedia.org/wiki/Masyu

    There are additionally or solely gray circles. The solver has to find out which of these gray circles are white and which are black. The diagram is a Toroid; i.e. the left and the right edge of the diagram as well as the top and the bottom edge of the diagram are glued together.

  7. Instant Insanity - Wikipedia

    en.wikipedia.org/wiki/Instant_Insanity

    This problem has a graph-theoretic solution in which a graph with four vertices labeled B, G, R, W (for blue, green, red, and white) can be used to represent each cube; there is an edge between two vertices if the two colors are on the opposite sides of the cube, and a loop at a vertex if the opposite sides have the same color. Each individual ...

  8. Passiflora lutea - Wikipedia

    en.wikipedia.org/wiki/Passiflora_lutea

    Passiflora lutea, commonly known as yellow passionflower, [1] is a flowering perennial vine in the family Passifloraceae, native to the central and eastern United States.The vine has three-lobed leaves and small, yellowish-green, fringed flowers that appear in the summer, followed by green fruit that turn almost black at maturity.

  9. Passiflora alata - Wikipedia

    en.wikipedia.org/wiki/Passiflora_alata

    The leaves are oval or oblong, 10–15 cm (4–6 in) long and 1–10 cm (0–4 in) wide. The fragrant flower is 7–10 cm (3–4 in) wide, with red curved tepals, and a prominent fringed corona in bands of purple and white giving the appearance of stripes. [3]