5. If the king happens to be in _e_, and none of his own people or his
enemies either in _f_ or _g_, _i_ or _m_, his exit cannot be prevented.
6. Whenever the person who moves the king perceives that a passage is
free, he must call out _raichi_, and if there be two ways open,
_tuichu_.
7. It is allowable to move ever so far at once, in a right line, if the
squares in the way be vacant, as from _c_ to _n_.