Mapping/Possible illustrations/Gallery/Section

$x$	$1$	$2$	$3$	$4$	$5$	$6$
$\pi (x)$	$2$	$4$	$6$	$5$	$3$	$1$

$\cdot$	$0$	$1$	$2$	$3$	$4$	$5$	$6$
$0$	$0$	$0$	$0$	$0$	$0$	$0$	$0$
$1$	$0$	$1$	$2$	$3$	$4$	$5$	$6$
$2$	$0$	$2$	$4$	$6$	$1$	$3$	$5$
$3$	$0$	$3$	$6$	$2$	$5$	$1$	$4$
$4$	$0$	$4$	$1$	$5$	$2$	$6$	$3$
$5$	$0$	$5$	$3$	$1$	$6$	$4$	$2$
$6$	$0$	$6$	$5$	$4$	$3$	$2$	$1$