Item 28 (0C9L)—The Stacks project

$n \geq 6$ and we have a chain generalizing (21):
1. $m_1 = w$ , $w_2 = \ldots = m_{n - 1} = 2m$ , $m_ n = m$ ,
2. $a_{12} = 2w$ , $a_{23} = \ldots = a_{(n - 2) (n - 1)} = w$ , $a_{(n - 1) n} = 2w$ , and for other $i < j$ we have $a_{ij} = 0$ ,
3. $w_1 = 2w$ , $w_2 = \ldots = w_{n - 1} = w$ , $w_ n = 2w$
with $w$ and $m$ arbitrary,

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