Problem with 4017B decade counter

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i have 4017b decade counter wired arduino , reason when set clock pin high counter stays in same place (pin 0). in program pin set high 20ms low. idea of going wrong? it's connected matrix circuit if disconnect , connect leds nothing , stays in same place.

please post code (use code tags - '#' button above row of smileys) , schematic drawing of hardware.


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