Dolphin

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Dolphins are excellent at invisibly communicating underwater, but we have to rely on visual signalling at sea.

Look at the time!

Example. = 5:45
Example. = 1:30
Example. = 3:35
10.3:45
16.1:55
22.11:45

Going in circles

Example. = (0, -1) (-√2/2, -√2/2)
Example. = (0, 1) (-1, 0)
Example. = (-√2/2, -√2/2) (-1, 0)
11.(√2/2, √2/2) (0, -1)
17.(√2/2, √2/2) (0, -1)
23.(1, 0) (-√2/2, -√2/2)

Wheel of Fortune

Example. = $500 $800
Example. = $500 $800
Example. = $700 $600
12.Free Play $500
18.$500 $800
24.$2500 $800

We're not in Kansas anymore

1.
4.
7.
13.
19.
25.

X marks the spot

2.altZ
5.D⌘
8.DA
14.⌘Z
20.⌘alt
26. Z

Starburst display

3.N∩Y ∪ W∩Z
6.K ∩ (R - C∩F)
9.T∩Y ∪ W∩Z
15.K∩Z ∪ W∩Z
21.S∩X ∪ T∩Y
27.K ∩ (R - C∩F)