#include <iostream>
#define P sorts
#include<cmath>
using namespace std;
 
int main() {
	string s="banana";
	int n=s.length();
	int sorts[n+1][50];
	int k=0;
 
	while(k<3){
		int val=(int)(pow(2,k))-1;
		cout<<"this is val "<<val<<endl;;
		for(int i=0;i<n;i++){
			int index=i+val;
			if(index>=n){
				P[i][index]=-1;
			}else{
				P[i][index]=s[index]-'a';
			}
 
	  }
	  k++;
 
	}
	for(int i=0;i<n;i++){
		for(int j=0;j<3;j++){
			cout<<P[i][j]<<" ";
		}
		cout<<endl;
	}
 
	return 0;
}

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