Arrow Head

if you click on a arrow numbered 1 , arrow {1,2,4} will rotate 90 degree from present position. Similarly ,if you click on a arrow numbered 2, arrow {2,1,3} will rotate 90 degree from present position. if you click on arrow numbered 3,4 arrows {2,3,4}, {1,4,3} will rotate 90 degree respectively. so what following pattern should be clicked to bring all arrow heads down as show in picture?

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