When $2,4-$hexadiene is protonated, a resonance$-$stabilized secondary allylic carbocation is formed. Draw the curved arrow notation below that shows the movement of electrons between the two major resonance structures.When $2,4-$hexadiene is protonated, a resonance$-$stabilized secondary allylic carbocation is formed. Draw the curved arrow notation below that shows

the movement of electrons between the two major resonance structures.

$1$st attempt

Add the missing curved arrow notation.