Black's freedom of movement is limited by:

FLAG E1: ( 946)
Black must not connect the hanezeki's tail, with a move at , as long as White's centre group has too many liberties left.

FLAG E2: ( 947)
Black does not have valid ko-threats in the nakade, as long as White can capture the hanezeki's tail successfully, with a move at .

FLAG E3: ( 949)
is no valid ko-threat, as long as White's centre group has too many liberties left, and is not played already.

FLAG E4: ( 951)
Even after - , and / , Black does not have valid ko-threats in the nakade, as long as White's -group and White's centre group have too many liberties left.