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Formula: spring festival couplet

by JustinSDK

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equation formula function math openscad spring spring couplet spring festival Taiwan equation formula function math openscad spring spring couplet spring festival Taiwan equation formula function math openscad spring spring couplet spring festival Taiwan equation formula function math openscad spring spring couplet spring festival Taiwan

In [Taiwan](https://www.google.com.tw/maps?q=taiwan&biw=1707&bih=817&dpr=1.13&um=1&ie=UTF-8&sa=X&ved=0ahUKEwjQ1e2JwZLVAhVEu7wKHa_xCWkQ_AUICygC), `春` means spring and we hang couplets with the word around the house during the lunar new year.

Try to search google for the following formula:

x^4+y^4+100/(x^4+(2y-2)^4+(2y-1)^2)+100/(x^4+(2y+2)^4+(2y+1)^2)-1/((y+3)^4+(x/15)^4)-1/((y+4)^4+(x/15)^4)-1/((y+5)^4+(x/15)^4)-1/(4(x+y+4)^4+((x-y+1)/5)^4)-100^16/(((x-4)^2+(y+5)^2-13)^2+((x-19)^2+(y+1

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