A player of Blue (1) passes the ball to e.g. player 2 of Orange. This team tries to score over the 23-metre line in a yellow goal.
Blue interferes with the defending of the Orange and tries to capture the ball and score in the normal goal. When Blue is over the 23-metre line, the team-mate at the side-line is allowed to join the game.
Blue substitutes with Orange after 2 goals from either team.