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The least and most stable resonating str...

The least and most stable resonating structure respectively are:
(1) `CH_(2)=CH-CH-CH-C-CH_(3)`
(2) `CH_(2)=CH-CH-CH=C-CH_(3)O^(Theta)`
(3) `CH_(2)-CH-CH=CH-C-CH_(3)`
(4) `CH_(2)=CH-CH=CH-C-CH_(3)`
(А) `1,4`
(В) `2,3`
(С) `4,1`

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