#include<stdio.h>
int main( void )
{
int F = 4;
for( int A = 1; A < 8; A++ )
{
if( A == F ) continue;
int C = A - 1;
if( C < 1 || C <= F ) continue;
for( int B = 1; B < 8; B++ )
{
if( B == A || B == C ) continue;
if( B >= F ) break;
int G = B + 3;
if( G == F || G==A || G==C) continue;
for( int D = 1; D < 8; D++ )
{
if( D == A || D == B || D == C || D == F || D == G ) continue;
int E = D - 2;
if( E < 1 ) continue;
printf( "A:%-3d,B:%-3d,C:%-3d,D:%-3d,E:%-3d,F:%-3d,G:%-3d\n", A, B, C, D, E, F, G );
}
}
}
}