Expand
x^{22}+646646x^{10}y^{12}+497420x^{9}y^{13}+319770x^{8}y^{14}+170544x^{7}y^{15}+74613x^{6}y^{16}+26334x^{5}y^{17}+7315x^{4}y^{18}+1540x^{3}y^{19}+231x^{2}y^{20}+22xy^{21}+y^{22}+646646y^{10}x^{12}+497420y^{9}x^{13}+319770y^{8}x^{14}+170544y^{7}x^{15}+74613y^{6}x^{16}+26334y^{5}x^{17}+7315y^{4}x^{18}+1540y^{3}x^{19}+231y^{2}x^{20}+22yx^{21}+705432\left(xy\right)^{11}
Evaluate
\left(x+y\right)^{22}
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