You can press Undo (or CTRL+Z) repeatedly if you want to undo multiple steps.
23, 36, 75, 140, 233, 348
7, 27, 10, 32, 17, 37
147 490 707 831 895 930
180000, 7200, 360, 36, 2.4, 0.48
225, 45, 450, 90, 900, 150, 1800
164, 160, 172, 136, 188, 128
332, 404, 350, 390, 360, 380
120, 140, 178, 232, 300, 360
8, 12, 23, 40, 66, 103
150, 900, 300, 1800, 600, 3700, 1200
