『魔法陣』4次魔法陣（４×４）をPythonで解く

a=0;b=0;c=0;d=0;e=0;f=0;g=0;h=0;i=0;j=0;k=0;l=0;m=0;n=0;o=0;p=0#要素の初期化
cnt=0#カウンタの初期化

for ai in range(16):#ループ1
	a=ai+1#aの確定（0,0）
	
	for di in range(16):#ループ2
		d=di+1#dの確定（3,0）
		if(d>a):
		
			for mi in range(16):#ループ3
				m=mi+1#mの確定（0,3）
				if (m>d):
					p=34-(a+d+m)#pの確定（3,3）
					if (p<17) and (p>0) and (p>a) and (p!=d) and (p!=m) :
					
						for fi in range(16):#ループ4
							f=fi+1#fの確定（1,1）
							if (f!=a) and (f!=d) and (f!=m) and (f!=p):	
								k=34-(a+f+p)#kの確定（2,2）
								if (k<17) and (k>0) and (k!=a) and (k!=d) and (k!=m) and (k!=p) and (k!=f):
								
									for gi in range(16):#ループ5
										g=gi+1#gの確定（2,1）
										if (g!=a) and (g!=d) and (g!=m) and (g!=p) and (g!=f) and (g!=k):
											j=34-(f+g+k)#jの確定（2,2）
											if (j<17) and (j>0) and (j!=a) and (j!=d) and (j!=m) and (j!=p) and (j!=f) and (j!=k) and (j!=g):
											
												for bi in range(16):#ループ6
													b=bi+1#bの確定（1,0）
													if (b!=a) and (b!=d) and (b!=m) and (b!=p) and (b!=f) and (b!=k) and (b!=g) and (b!=j):	
														c=34-(a+b+d)#cの確定（2,0）
														n=34-(b+f+j)#nの確定（1,3）
														o=34-(c+g+k)#oの確定（2,3）
														if (c<17) and (c>0) and (c!=a) and (c!=d) and (c!=m) and (c!=p) and (c!=f) and (c!=k) and (c!=g) and (c!=j) and (c!=b):
															if (n<17) and (n>0) and (n!=a) and (n!=d) and (n!=m) and (n!=p) and (n!=f) and (n!=k) and (n!=g) and (n!=j) and (n!=b) and (n!=c):
																if (o<17) and (o>0) and (o!=a) and (o!=d) and (o!=m) and (o!=p) and (o!=f) and (o!=k) and (o!=g) and (o!=j) and (o!=b) and (o!=c) and (o!=n):
																
																	for ei in range(16):#ループ7
																		e = ei+1#eの確定（1,0）
																		if (e!=a) and (e!=d) and (e!=m) and(e!=p) and(e!=f) and (e!=k) and (e!=g) and (e!=j) and (e!=b) and (e!=c) and (e!=n) and (e!=o):
																			h=34-(e+f+g)#hの確定（3,1）
																			i=34-(a+e+m)#iの確定（0,2）
																			l=34-(d+h+p)#lの確定（3,2）
																			if (h<17) and (h>0) and (h!=a) and (h!=d) and (h!=m) and (h!=p) and(h!=f) and (h!=k) and (h!=g) and(h!=j) and(h!=b) and (h!=c) and (h!=n) and (h!=o) and (h!=e):
																				if (i<17) and (i>0) and (i!=a) and (i!=d) and (i!=m) and (i!=p) and (i!=f) and (i!=k) and (i!=g) and (i!=j) and (i!=b) and (i!=c) and (i!=n) and (i!=o) and (i!=e) and (i!=h):
																					if (l<17) and (l>0) and (l!=a) and (l!=d) and (l!=m) and (l!=p) and (l!=f) and (l!=k) and (l!=g) and (l!=j) and (l!=b) and (l!=c) and (l!=n) and (l!=o) and (l!=e) and (l!=h) and (l!=i):
																						cnt+=1
																						print(cnt,"a=",a,": b=",b,": c=",c,": d=",d,": e=",e,": f=",f,": g=",g,": h=",h,": i=",i,": j=",j,": k=",k,": l=",l,": m=",m,": n=",n,": o=",o,": p=",p)