6 7 8 9 0 0 9 8 7 6 7 9 6 8 0 6 8 0 7 9 8 0 7 6 9= 0 8 7 9 6 9 7 8 6 0 0 6 9 8 7 8 9 0 6 7 7 6 9 8 0=+*