#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
const int h[9][7]= {{},
{0,0,0,0,0,0}, //1
{0,0,0,1,1,1}, //34
{1,0,1,0,1,0}, //2
{1,0,1,1,0,1}, //4
{0,1,0,0,1,0}, //14
{0,1,0,1,0,1}, //3
{1,1,1,0,0,0}, //24
{1,1,1,1,1,1}  //0
};
int n,c,on[101],off[101];
inline void work(int w[9])
{
int flag=1;
for(int k=1; k<=w[0]; k++)
{
int tag=0;
for(int i=1; i<=on[0]; i++)
if(!h[w[k]][on[i]%6])
{tag=1;break;}
if(tag) continue;
for(int i=1; i<=off[0]; i++)
if(h[w[k]][off[i]%6])
{tag=1;break;}
if(tag) continue;
flag=0;
for(int i=1; i<=n; i++)
printf("%d",h[w[k]][i%6]);
printf("\n");
}
if(flag) printf("IMPOSSIBLE");
exit(0);
}
int main()
{
int tmp;
scanf("%d%d",&n,&c);
while(1)
{
scanf("%d",&tmp);
if(tmp==-1) break;
on[++on[0]]=tmp;
}
while(1)
{
scanf("%d",&tmp);
if(tmp==-1) break;
off[++off[0]]=tmp;
}
if(c==0)
{int w[9]={1,8};work(w);}
if(c==1)
{int w[9]= {4,1,3,4,6};work(w);}
if(c==2)
{int w[9]= {7,1,2,3,5,6,7,8};work(w);}
if(c>2)
{int w[9]= {8,1,2,3,4,5,6,7,8};work(w);}
return 0;
}

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who can 做出来？