cubix, 122 bytes

Result

WA

Duration

792ms

Code [DL]

;u(..t;[email protected](...A0sS-!u#'3,6t:>.Sou...u);;;U;oN;oQ^$!(;.2+:So;u;s(!ws:^..3t'((#u$!(....BsS-!uW.^............u(;;;

stdin

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    K                                             

stdout

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    """""""""""

stderr

strace