12-omino, order 308, [28 by 132]

• The polyomino is not reflective.
• The tile is a 12-omino.
• The rectangle is 28*132 (ratio: 4.714285714285714).

1. (From Karl Dahlke, April 1997) of B A Wichmann. The World of Patterns, World Scientific, 2001. ISBN 981024619. [wich2] {Only new patterns ascribed to this.}
2. Figure 4 of Michael Reid. Tiling rectangles and half strips with congruent polyominoes, Journal of Combinatorial Theory, 80, pp106-123, 1997. [reid] {}

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