Matador is a draw game in which adjacent ends on the layout do not match, but total 7. An open 6 calls for a 1, 5, for 2, 4 or 3, and so on.
A blank is closed to the play of anything but a matador, one of the four bones 0-0, 6-1, 5-2, 4-3.
A matador may be played at any time anywhere, without regard to the numbers, and with either end against the layout.
Doublets are placed endwise, thus counting singly. For example, 1-1 is playable on a 6, not on a 5.