Terminology
Motif: A reoccurring part of a still life.
Island: A part of a still life that is Moore-connected, and not Moore-connected to anything else.
Insular: Being an island.
Inductor/Inducting Coil: An insular motif that, alone, has no cells that would die, but has cells that would be born, and can be stabilised with another still life or inductor.
Inductant: A still life or inductor that can stabilise another inductor.
Open: A cell in a still life with 2 live neighbors.
Closed: A cell in a still life with 3 live neighbors.
Triangle: 3 live cells such that they all neighbor each other, forming a preblock.
Polar: A cell in a still life that is not part of a triangle; a still life or motif or part thereof that is made of polar cells. The still lives shown below are all polar.
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x = 33, y = 24, rule = LifeHistory
23.2A$22.A2.A$9.A12.A.A$3.A4.A.A3.2A4.2A.A$2.A.A2.A.A3.A2.A2.A2.A4.2A
$3.A4.A5.2A4.2A4.A2.A$26.A.A.A$27.A2.A$4.A4.2A5.2A4.2A4.2A$3.A.A2.A2.
A3.A2.A2.A2.A$2.A2.A2.A2.A2.A2.A3.A.A.A$3.2A4.2A4.2A5.A.A.A$23.A2.A$
24.2A$4.2A11.A$3.A2.A9.A.A8.A3.A$3.A2.A8.A.A.A6.A.A.A.A$.2A4.2A5.A2.A
2.A6.A3.A$A8.A3.A.2A.2A.A6.3A$.2A4.2A5.A2.A2.A$3.A2.A8.A.A.A8.3A$3.A
2.A9.A.A8.A3.A$4.2A11.A8.A.A.A.A$27.A3.A!
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x = 35, y = 5, rule = LifeHistory
21.2C8.C2.C$14.2C4.A.C3.A.C2.4C$6.2C5.A.C4.A4.A.2C$2C.C2.C2.C3.C4.C.A
4.C5.4C$C.2C4.2C2.2C4.2C4.2C5.C2.C!
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x = 52, y = 7, rule = LifeHistory
26.2A$14.A10.A2.A18.2A$7.2C4.A.A4.2A4.2A6.A5.2A4.A2.A$.A4.A.C3.A.A4.A
2.A10.A.A3.A2.A4.2C.A$C.A2.C.A4.C6.C.A.A2.4C3.C.C4.C.C5.C.C$2C3.2C4.
2C5.2C.A.A2.C2.C2.2C.2C2.2C.2C2.C.A.2C$22.A23.2C!
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x = 65, y = 29, rule = LifeHistory
25.D2.2D2.3D.2D5.2D.D4.D3.2D.3D.2D$24.D.D.D.D.D3.D.D3.D3.D3.D.D.D3.D
3.D.D$24.D.D.2D2.2D2.D.D3.D3.D3.D.D2.D2.2D2.D.D$24.D.D.D3.D3.D.D3.D3.
D3.D.D3.D.D3.D.D$25.D2.D3.3D.D.D4.2D.3D2.D2.2D2.3D.2D2$32.2BA.BAB3.C
2B$12.2D3.D2.D4.D2.2D2.BEB.BEB3.CEB$12.D.D.D.D.D3.D.D.D.D.2BA.2BA3.3B
$12.2D2.D.D.D3.3D.2D$12.D3.D.D.D3.D.D.D.D.BAB.A2B3.BCB$12.D4.D2.3D.D.
D.D.D.BEB.BEB3.CEB$32.BAB.2BA3.3B4$36.BAB3.C2B.C2B.C2B.C2B$2D3.D2.2D
6.2D3.D2.D4.D2.2D2.BEB3.CEB.CEB.CEB.CEA$D.D.D.D.D.D5.D.D.D.D.D3.D.D.D
.D.ABA3.C2B.BCB.2BA.3B$D.D.D.D.D.D.3D.2D2.D.D.D3.3D.2D$D.D.D.D.D.D5.D
3.D.D.D3.D.D.D.D.A2B3.CBA.BCB.BCB$D.D2.D2.D.D5.D4.D2.3D.D.D.D.D.BEB3.
CEB.CEB.CEB$36.ABA3.3B.BCB.2BA4$42.2AB$42.AEB$42.3B!
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