42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
#include<iostream>
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#include<cstdio>
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#include<cmath>
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#include<algorithm>
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#include<cstring>
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using namespace std;
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#define sf scanf
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int T;
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int a[5],b[5];
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int d[1000005];
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int main()
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{
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sf("%d",&T);
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while(T--)
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{
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for(int i = 0;i<3;i++)sf("%d",a+i);
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for(int i = 0;i<3;i++)sf("%d",b+i);
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int sum = 0;
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for(int i = 0;i<3;i++)sum+=a[i];
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if( (a[1]&1) || (b[1]&1) )
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{
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puts("-1");
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continue;
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}
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if(sum==4)
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{
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puts("4\n1 2 0\n1 3 0\n2 3 1\n3 4 1");
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continue;
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}
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printf("%d\n",a[1]/2+a[2]+b[1]/2+b[2]);
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int t = 1;
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while(a[2]!=-1){printf("%d %d 0\n",t,t+1);t++;a[2]--;}t++;
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while(a[1]!=2){printf("%d %d 0\n",t,t+1);t+=2;a[1]-=2;}
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int tt = 0;
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for(int i = 1;i<=sum;i+=2) d[tt++] = i;
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for(int i = 2;i<=sum;i+=2)d[tt++] = i;
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t = 0;
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while(b[2]!=-1){printf("%d %d 1\n",min(d[t],d[t+1]),max(d[t],d[t+1]));t++;b[2]--;}t++;
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while(b[1]!=2){printf("%d %d 1\n",min(d[t],d[t+1]),max(d[t],d[t+1]));t+=2;b[1]-=2;}
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}
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}
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