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z^2+0.245+i(c mod2-0.5)
x_{n+1}=x_n・y_n+a,y_{n+1}=x_{n+1}^2+y_n+b
x_{n+1}=x_n-y_n^2+0.62 y_{n+1}=x_{n+1}+y_n^2-1.5
拡大
x_{n+1}=x_n-y_n^2+0.3 y_{n+1}=-y_n-x_n^2+0.9
x_{n+1}=x_n-y_n^2+0.3 y_{n+1}=-y_n-x_n^2+0.36
z^2-0.135+0.65i
Re(z)^2-Abs(Im(z))Im(z)+2iRe(z)Im(z)-0.14+0.65i
z^2-1.7485+0.001i