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added 96 characters in body

edited Mar 23, 2022 at 15:58

edited Mar 23, 2022 at 15:58

J, ³⁶ 31 bytes

1#.(0,2=&{.&>/\[)*1#.,@E.&>/@,:

-5 stealing dominic's idea of taking the matrix lines as a single space-delimited string

answered Mar 23, 2022 at 15:37