$$20CM5CM+10+CM+5CM$$
$2\left(3CM+10MM_{5}C^{2}+5\right)$
$$6CM+20MM_{5}C^{2}+10$$
$$2\left(3CM+10MM_{5}C^{2}+5\right)$$
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$6CM+20MM_{5}C^{2}+10$