def H(z,a,b,l):c=complex;T=lambda A,B:abs(c(*A)-c(*B));d=T(z,a);e=T(z,b);f=T(a,b);g=[((a[0]+b[0])/2,(a[1]+b[1])/2)for a,b in[[a,b],[z,a],[b,z]]];E=(z[0]+a[0]+b[0])/3;F=(z[1]+a[1]+b[1])/3;m=lambda f:[(a,0)if(b[1][0]-b[0][0])==0else(a,-1/((b[1][1]-b[0][1])/(b[1][0]-b[0][0])))if(b[1][1]-b[0][1])else''for a,b in zip(f,[[a,b],[z,a],[b,z]])];i=[u for u in m(g)if u!=''];C=i[0][1];D=i[0][0][1]-(C*i[0][0][0]);A=i[1][1];B=i[1][0][1]-(A*i[1][0][0]);G=(B-D)/(C-A);H=C*G+D;j=[u for u in m([z,b,a])if u!=''];C=j[0][1];D=j[0][0][1]-(C*j[0][0][0]);A=j[1][1];B=j[1][0][1]-(A*j[1][0][0]);I=(B-D)/(C-A);J=C*I+D;K,L=[((d*b[o])+(e*a[o])+(f*z[o]))/sum([d,e,f])for o in[0,1]];a=(H-J)/(G-I)if(G-I)else'';b=H-(a*G)if a!=''else G;print(['',(K,L),(E,F),(G,H),(I,J),[b,'%sx+%s'%(a,b)][a!='']][l])
exec("H(*eval(input()));"*5)

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

KCgtMiwwKSwoMSwwKSwoMCwxKSwxKQooKC0yLDApLCgxLDApLCgwLDEpLDIpCigoLTIsMCksKDEsMCksKDAsMSksMykKKCgtMiwwKSwoMSwwKSwoMCwxKSw0KQooKC0yLDApLCgxLDApLCgwLDEpLDUp

((-2,0),(1,0),(0,1),1)
((-2,0),(1,0),(0,1),2)
((-2,0),(1,0),(0,1),3)
((-2,0),(1,0),(0,1),4)
((-2,0),(1,0),(0,1),5)