Run out of both ends
D1 skates rom the boards, transitions to backwards and receives pass from X1, who then control skates and heads towards far blue line, X2 fro far side of ice comes in support of D1 for a outlet pass to middle of ice and quickly passes up to far forward (F1).
D2 is positioned at far blue line for a 2 on 1 situation, after D1 makes pass he can position himself at blue line for the two forwards coming from the other direction, D3 will start again fro other end with O1 & O2.