Whole process P cuts P2 trims P3โP2โP1 PT cuts PTโP1โP choose cake 1 cake 2 choose cake 2 Cake 2 (three cases) P2 P2 P3 P3 P P2 D T P P3 P PT 11Whole process 11 ๐1 cuts ๐2 trims Cake 2 ๐3 โ ๐2 โ ๐1 choose cake 1 (three cases) ๐2 ๐3 ๐1 ๐2 ๐1 ๐3 ๐3 ๐2 ๐1 ๐๐ ๐๐ ๐๐ ๐๐ โฒ ๐๐ โฒ ๐๐ โฒ ๐๐ โ ๐1 โ ๐๐ โฒ choose cake 2 ๐๐ โฒ cuts cake 2