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Lucas Tsui

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619. Mushfiqur Siam 2
620. Константин Суворов 2
621. Lucas Tsui 2
622. Miljan Vucetic 1
623. Jelena Derikonjic 1
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The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
If b7ba0 + ca0ac = aa8bbc find number abc. Multiple solutions may exist.
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