minimal2d, 388 bytes

Result

WA

Duration

762ms

Code [DL]

R>/D,----------/D++++++++++.----------<<<<<<<<D
U<< <<<<<<<<<<<< <<<<<<<<<<<<<<<<<<<<<<<<<<<<<L
   ,D-----------L
U.+LR-----------/D++++++++++++++++++++++++ D
U---------------- ----------------.++++++++L                       D>.++++++++++++++++ L
 D---------------L
 R----------------------------/D+++++++++++++++++++++++++++++++++.>R/U+++++++++++++++++U
U.+++++++++++++++++++++++++++++L

stdin

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                                   K              

stdout

stderr

strace