12 lines
125 B
BQN
12 lines
125 B
BQN
3‿3⥊↕9
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┌─
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╵ 0 1 2
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3 4 5
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6 7 8
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┘
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⍉3‿3⥊↕9
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┌─
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╵ 0 3 6
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1 4 7
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2 5 8
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┘
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