MINAMOTO no Yoshitsuna was at a loss as to how to continue the attack, but one day he saw a pair of cranes land with branches of a tree in their respective beaks; the birds then put the branches on the ground and started to walk around the swamp with the branches gripped in their claws.
攻めあぐねていた源義綱は、ある日、一つがいのツルが木の枝をくわえて来ると、それを足に掴んで沼の上を歩くのを見た。