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Omni-MATH / Let S be a subset with four elements chosen from ….MichaelnotesthatthereisawaytolabeltheverticesofasquarewithelementsfromS…

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problem

Let SS be a subset with four elements chosen from \{1,2, \ldots, 10\}.Michaelnotesthatthereisawaytolabeltheverticesofasquarewithelementsfrom. Michael notes that there is a way to label the vertices of a square with elements from Ssuchthatnotwoverticeshavethesamelabel,andthelabelsadjacenttoanysideofthesquaredifferbyatleast4.Howmanypossibilitiesarethereforthesubset such that no two vertices have the same label, and the labels adjacent to any side of the square differ by at least 4 . How many possibilities are there for the subset S$ ?
Plain-text mathematical notation (without MathML)
Let S be a subset with four elements chosen from \{1,2, \ldots, 10\}.MichaelnotesthatthereisawaytolabeltheverticesofasquarewithelementsfromSsuchthatnotwoverticeshavethesamelabel,andthelabelsadjacenttoanysideofthesquaredifferbyatleast4.HowmanypossibilitiesarethereforthesubsetS$ ?
Original LaTeX notation
Let $S$ be a subset with four elements chosen from \{1,2, \ldots, 10\}$. Michael notes that there is a way to label the vertices of a square with elements from $S$ such that no two vertices have the same label, and the labels adjacent to any side of the square differ by at least 4 . How many possibilities are there for the subset $S$ ?

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