diff --git a/MNU.pm b/MNU.pm
index 3a0b1b9..87f4393 100644
--- a/MNU.pm
+++ b/MNU.pm
@@ -3,6 +3,10 @@
 use warnings;
 use strict;
 
+use lib "./";
+use NTVL;
+use LPST;
+
 package MNU;
 
 sub prompt(){
diff --git a/NTVL.pm b/NTVL.pm
index f8d16b0..0a7a44a 100644
--- a/NTVL.pm
+++ b/NTVL.pm
@@ -17,6 +17,8 @@ my $SACRIFICE = 0b00001000;
 my $DRAW      = 0b00010000;
 my $FT        = 0b00100001;
 
+package NTVL;
+
 sub is_summon($){
    return $_[0] =~ /\*/ ? $SUMMON : 0;
 }
@@ -92,8 +94,8 @@ sub f2($$$){
     return LPST->P1;
 }
 
-sub f1($$){
-    my ($b, $ns0) = (shift, shift);
+sub f1($$$){
+    my ($clas, $b, $ns0) = (shift, shift, shift);
     my $apl;
     my $tc;
 
@@ -110,29 +112,4 @@ sub f1($$){
     }
 }
 
-my $ns0;
-
-$ns0 = "";
-$ns0 .= "A I Im Au H\n";
-$ns0 .= "A S Im Rc It\n";
-$ns0 .= "Aa1*, Ab1*, Ac1*, Ad1*, Ae1*, Qf1*, Ag1*, Ah1*, Ai1*, Aj1*, Ak1*, Ad2*, Ai2*, Aj2*, Ak2*, Ad3*\n";
-$ns0 .= "Aa11*, Ab11*, Ac11*, Ad11*, Ae11*, Qf11*\n";
-$ns0 .= "Aa1a2\n";
-$ns0 .= "Qf11g11\n";
-$ns0 .= "Aa2a3\n";
-$ns0 .= "Qg11f10\n";
-$ns0 .= "Aa3a4\n";
-$ns0 .= "Qf10e10\n";
-$ns0 .= "Aa4a5\n";
-$ns0 .= "Qe10d10\n";
-$ns0 .= "Aa5a6\n";
-# $ns0 .= "Qd10e9\n";
-
-my $b;
-
-$b = LPST->new();
-
-f1($b, $ns0);
-
-$b->shade_all_p2_mvmt();
-$b->disp_board();
+return 1;
diff --git a/test.pl b/test.pl
new file mode 100644
index 0000000..387015e
--- /dev/null
+++ b/test.pl
@@ -0,0 +1,33 @@
+#!/usr/bin/perl
+
+use warnings;
+use strict;
+
+use lib './';
+use NTVL;
+use LPST;
+
+my $ns0;
+
+$ns0 = "";
+$ns0 .= "A I Im Au H\n";
+$ns0 .= "A S Im Rc It\n";
+$ns0 .= "Aa1*, Ab1*, Ac1*, Ad1*, Ae1*, Qf1*, Ag1*, Ah1*, Ai1*, Aj1*, Ak1*, Ad2*, Ai2*, Aj2*, Ak2*, Ad3*\n";
+$ns0 .= "Aa11*, Ab11*, Ac11*, Ad11*, Ae11*, Qf11*\n";
+$ns0 .= "Aa1a2\n";
+$ns0 .= "Qf11g11\n";
+$ns0 .= "Aa2a3\n";
+$ns0 .= "Qg11f10\n";
+$ns0 .= "Aa3a4\n";
+$ns0 .= "Qf10e10\n";
+$ns0 .= "Aa4a5\n";
+$ns0 .= "Qe10d10\n";
+$ns0 .= "Aa5a6\n";
+# $ns0 .= "Qd10e9\n";
+
+$b = LPST->new();
+
+NTVL->f1($b, $ns0);
+
+$b->shade_all_p2_mvmt();
+$b->disp_board();