Eek those are pretty creepy! They do look like a centipede and silverfish mated.
No idea what they are or what to do to get rid of them- aren't I an amazing help?
Oh well, I'm sending sympathy anyway.
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"If you have men who will exclude any of God’s creatures from the shelter of compassion and pity, you will have men who will deal likewise with their fellow men." — St. Francis of Assisi, 1181-1226