Table 2.

The process of k-shell decomposition in the toy network.

Shell	Stage	1	2	3	4	5	6	7	8	9
1-shell	Stage-1	$✓$							$✓$	$✓$
2-shell	Stage-1		$✓$
	Stage-2			$✓$
3-shell	Stage-1				$✓$	$✓$	$✓$	$✓$