*1,54,Z3
9,(8,36),(8,-36),(-15,0),(7,33),(7,-32),(-13,0),(6,29),(6,-28),(-11,0),(5,25),
(5,-24),(-9,0),(4,21),(4,-20),(-7,0),(3,16),(3,-15),(-5,0),(2,12),(2,-11),(-3,0),
(1,7),(1,-6),(-1,0),(0,3),(0,0),0