H energy

H energyH energyH energyH energyH energyH energy
H energyH energyH energyH energyH energyH energy
H energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energyH energy