Hidden Label: ( negative 1 , 4 ) , ( negative 2 , 1 ) , ( negative 3 , 2 ) , ( negative 4 , 2 ) , ( negative 4 , 3 ) , ( negative 6 , 4 ) , ( negative 6 , 6 ) , ( negative 8 , 9 ) , ( negative 7 , 10 ) , ( negative 6 , 10 ) , ( negative 6 , 11 ) , ( negative 5 , 10 ) , ( negative 4 , 10 ) , ( negative 3 , 9 ) , ( negative 1 , 9.5 ) , ( 1 , 9 ) , ( 3 , 10 ) , ( 4 , 11 ) , ( 4 , 16 ) , ( 3 , 18 ) , ( 5 , 17 ) , ( 6 , 17 ) , ( 5 , 16 ) , ( 6 , 12 ) , ( 6 , 9 ) , ( 4 , 7 ) , ( 1 , 6 ) , ( 2 , 5 ) , ( 5 , 4 ) , ( 5 , 3 ) , ( 4 , 4 ) , ( 1 , 2 ) , ( 1 , 0 ) , ( 3 , negative 4 ) , ( 4 , negative 5 ) , ( 1 , negative 7 ) , ( 1 , negative 6 ) , ( 0 , negative 4 ) , ( negative 2 , negative 7 ) , ( negative 1.5 , negative 8 ) , ( negative 5 , negative 7 ) , ( negative 4 , negative 6 ) , ( negative 5 , negative 4 ) , ( negative 7 , negative 5 ) , ( negative 7 , negative 7 ) , ( negative 6.5 , negative 8 ) , ( negative 10.5 , negative 8 ) , ( negative 10 , negative 7 ) , ( negative 10 , negative 6 ) , ( negative 11 , negative 7 ) , ( negative 11 , negative 8 ) , ( negative 14 , negative 6 ) , ( negative 13 , negative 5 ) , ( negative 12 , negative 3 ) , ( negative 13 , negative 2 ) , ( negative 14 , negative 3 ) , ( negative 12 , 1 ) , ( negative 10 , 3 ) , ( negative 8 , 3 ) , ( negative 6 , 4 ) , ( negative 1 , 7 )(−1,4),(−2,1),(−3,2),(−4,2),(−4,3),(−6,4),(−6,6),(−8,9),(−7,10),(−6,10),(−6,11),(−5,10),(−4,10),(−3,9),(−1,9.5),(1,9),(3,10),(4,11),(4,16),(3,18),(5,17),(6,17),(5,16),(6,12),(6,9),(4,7),(1,6),(2,5),(5,4),(5,3),(4,4),(1,2),(1,0),(3,−4),(4,−5),(1,−7),(1,−6),(0,−4),(−2,−7),(−1.5,−8),(−5,−7),(−4,−6),(−5,−4),(−7,−5),(−7,−7),(−6.5,−8),(−10.5,−8),(−10,−7),(−10,−6),(−11,−7),(−11,−8),(−14,−6),(−13,−5),(−12,−3),(−13,−2),(−14,−3),(−12,1),(−10,3),(−8,3),(−6,4),(−1,7)