UNSORTED/TWO_ITXY

        var x_1; //:FOR_FIRST__FORMULA
        var y_1; //:FOR_FIRST__FORMULA

        var x_2; //:FOR_SECOND_FORMULA
        var y_2; //:FOR_SECOND_FORMULA

        //:Innocent_Until_Proven_Guilty:
        var pas=( 1 ); //:(+1):TRUE, (-1):False, (0):Undefined

        for( var dex = 0 ; dex < (64*64) ; dex++ ){

            const WID =( 64 );

            y_1=Math.floor( dex /  WID        );
            x_1=          ( dex - (WID* y_1 ) );

            x_2 =  dex       % WID ;
            y_2 = (dex - x_2)/ WID ;

            if( x_1 != x_2
            ||  y_1 != y_2
            ){
                //: [NOT_EQUAL_FORMULAS]
                pas=( 0 - 1 ); //:FAIL
                break;
            };;

        };;

        if( pas < 0 ){
            console.log("[FAILED]");
        }else
        if( pas > 0 ){
            console.log("[PASSED]");
        };;