revert(비교)

		r7 vs r4
1		~~sKe~~u~~ajw9u~~3~~eRuCW~~n~~9am~~oSAS~~OBx2ebYZUhDEIO~~3~~qp44sk~~u~~Ni11~~Y~~SP8~~IJrK~~VX9AUQO~~
	1	c8u4qPYzZ3QTIJIZVnKgDbqAo/AssnLtJRmTS37gdlu3Y4Irt024XLJdpXwWdrK7