#include<stdio.h>

void printif( int nall, int n, int printarray[] )
{
    if( n > nall )
        return;
    int i;
    if( n == nall )
    {
        for( i = 1 ; i <= n ; i++ )
            printf( "  " );
        printf( "writeln(" );
        int print = 0;
        for( i = 0 ; i < nall ; i++ )
        {
            if( print )
                printf( "," );
            print = 1;
            printf( "%c", 'a' + printarray[i] );
        }
        printf( ")\n" );
        return;
    }

    int j;
    for( i = n ; i >= 0 ; i-- )
    {
        for( j = 1 ; j <= n ; j++ )
            printf( "  " );
        if( i )
        {
            if( i == n )
                printf( "if " );
            else
                printf( "else if " );
            printf( "%c < %c then\n", 'a'+printarray[i-1], 'a'+n );
        }
        else
        {
            printf( "else\n");
        }

        int new_printarray[10] = {0};
        for( j = 0 ; j < i ; j++ )
            new_printarray[j] = printarray[j];
        new_printarray[j] = n;
        for( j += 1; j <= n ; j++ )
            new_printarray[j] = printarray[j-1];
        printif( nall, n+1, new_printarray );
    }
}

int main()
{
    int M;
    while( scanf( "%d", &M ) != EOF )
    {
        int print = 0;
        while( M-- )
        {
            if( print )
                printf( "\n" );
            print = 1;

            int n;
            scanf( "%d", &n );
            printf( "program sort(input,output);\nvar\n" );

            int i;
            int comma = 0;
            for( i = 0 ; i < n ; i++ )
            {
                if( comma )
                    printf( "," );
                comma = 1;
                printf( "%c", (char)('a'+i) );
            }
            printf( " : integer;\nbegin\n" );
            printf( "  readln(" );

            comma = 0;
            for( i = 0 ; i < n ; i++ )
            {
                if( comma )
                    printf( "," );
                comma = 1;
                printf( "%c", (char)('a'+i) );
            }
            printf( ");\n" );
            int printarray[10] = {0};
            printif( n, 1, printarray );
            printf( "end.\n" );
        }
    }

    return 0;
}