# by Artyom Bologov
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1s/$/|/
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1s/^\(.*\)|\1$/Strings are equal case-sensitively/
1v/Strings are equal case-sensitively/s/.*/Strings are not equal case-sensitively/
2s/^\(.*\)|\1$/Strings are equal case-insensitively/i
2v/Strings are equal case-insensitively/s/.*/Strings are not equal case-insensitively/
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