{ image { function = HLINE|VLINE|SHADOW|POLYGON|ARROA|DIAMOND|OVAL|STRING|BOX|FLAT_BOX|CHECK|OPTION|CROSS|RAMP|TAB|SHADOW_GAP|BOX_GAP|EXTENSION|FOCUS|SLIDER|ENTRY|HANDLE|STEPPER|EXPANDER|RESIZE_GRIP recolorable = TRUE|FALSE de tail = <> state
This puzzle consists of a random sequence of m black disks and n white disks on an oval-shaped track, with a turnstile capable of flipping (i.e., reversing) three consecutive disks. In Figure 1, there are 8 black disks and 10 white disks on the trac