Distinct 3 digit numbers are formed using only the digits \( 1,2,3 ...

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Distinct 3 digit numbers are formed using only the digits \( 1,2,3 \) and 4 with each digit used at most once in each number thus formed. The sum of all possible numbers so formed is
\( \mathrm{P} \)
(A) 6660
(B) 3330
(C) 2220
(D) none
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