python3 - <<'PY'
p=996979
J=[(22716,22810),(397695,397787),(731292,731385)]
K=J+[(a+p,b+p) for a,b in J]
for m,(L,U) in enumerate(K):
    if U-L<94: continue
    for y1 in range((L-1)//2,U//2+1):
        ys=list(range(y1,y1+49))
        if ys[0]+ys[1]>=L and ys[-2]+ys[-1]<=U:
            yk=ys[-1]
            A=[]; B=[]
            for li,ui in K:
                a0=max(0,li-ys[0]); a1=min(ys[0]-1,ui-yk)
                if a0<=a1: A.append((a0,a1))
                b0=max(yk+1,li-ys[0]); b1=min(p-1,ui-yk)
                if b0<=b1: B.append((b0,b1))
            P=[]
            for a0,a1 in A:
                for b0,b1 in B:
                    for a in range(a0,a1+1):
                        for lk,uk in K:
                            ll=max(b0,lk-a); hh=min(b1,uk-a)
                            for b in range(ll,hh+1):
                                if b>yk: P.append((a,b))
            print('m',m,'y1',y1,'A',A,'B',B,'P',len(P))
PY