Quaternion Multiplication by rotary-o

puts'\xc3\x97\x091\x09i\x09j\x09k
1\x091\x09i\x09j\x09k
i\x09i-1\x09k-j
j\x09j-k-1\x09i
k\x09k\x09j-i-1'.gsub'-','\x09\xe2\x88\x92'

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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