[-12: (2-5)-3-(8:2)]: 1-8: (5-7)-16: (2-6 (7-10). (2-5). [(8-4): (-3+5)-2-(10:5)] -4-2-3-4: (6-4-2)-(8 - 2): (8-5-2)1 -(1-[1-(-1)]) - (-1 - [-(-1)-11-1} 3-(724) + 4:(1-3)]: [(2-7) (4-7): (-​