Value read (4: 22) println("${a.a} ${a.b}")
Value read (4: 29) println("${a.a} ${a.b}")
Value read (5: 22) println("${a.t} ${a.u}")
Value read (5: 29) println("${a.t} ${a.u}")
Value write (6: 11) a.b = 12
Value write (7: 11) a.u = 13