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(2j+1)2
4j2+4j+1
(3j-4)2
9j2-24j+16
(2j-5)(2j+5)
4j2-25
(2j-5)2
4j2-20j+25
(3j+8)2
9j2+48j+64
(4j-1)(4j+1)
16j2-1