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Linux - grep lines between pattern

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$cat testfile 
123654 asdfasf
46546 asfasd
23456 abcd
54646 need to print
465465 need tp print 
654654 need to print
65465 need to print
23456 abcd
654654 asdfasfuoe


sed -n '/abcd/,/abcd/p' testfile | grep -v abcd



54646 need to print
465465 need tp print 
654654 need to print
65465 need to print
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