H k 4

H k 4H k 4H k 4H k 4H k 4H k 4
H k 4H k 4H k 4H k 4H k 4H k 4
H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4H k 4