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x: 6 float ,.;:()[]<>{}*&^%!-=+|/? 
y: 6 float ,.;:()[]<>{}*&^%!-=+|/? 
z: 6 float ,.;:()[]<>{}*&^%!-=+|/? 
w: 6 float ,.;:()[]<>{}*&^%!-=+|/?