Wallpaper group
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Triangle symmetry
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Extended symmetry
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Extended diagram
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Extended group
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Honeycombs
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p3m1 (*333)
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a1
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[3[3]]
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![](//upload.wikimedia.org/wikipedia/commons/5/5e/CDel_node.png) ![](//upload.wikimedia.org/wikipedia/commons/a/a1/CDel_split1.png)
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(none)
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p6m (*632)
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i2
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[[3[3]]] ↔ [6,3]
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![](//upload.wikimedia.org/wikipedia/commons/8/80/CDel_node_c1.png) ![](//upload.wikimedia.org/wikipedia/commons/a/a1/CDel_split1.png) ↔ ![](//upload.wikimedia.org/wikipedia/commons/8/80/CDel_node_c1.png) ![](//upload.wikimedia.org/wikipedia/commons/c/c3/CDel_3.png) ![](//upload.wikimedia.org/wikipedia/commons/4/4d/CDel_node_c2.png) ![](//upload.wikimedia.org/wikipedia/commons/3/32/CDel_6.png)
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![](//upload.wikimedia.org/wikipedia/commons/b/bd/CDel_node_1.png) ![](//upload.wikimedia.org/wikipedia/commons/a/a1/CDel_split1.png) 1, ![](//upload.wikimedia.org/wikipedia/commons/5/5e/CDel_node.png) ![](//upload.wikimedia.org/wikipedia/commons/a/a1/CDel_split1.png) 2
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p31m (3*3)
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g3
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[3+[3[3]]] ↔ [6,3+]
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![](//upload.wikimedia.org/wikipedia/commons/4/43/CDel_branch.png) ![](//upload.wikimedia.org/wikipedia/commons/3/32/CDel_split2.png) ↔ ![](//upload.wikimedia.org/wikipedia/commons/5/5e/CDel_node.png) ![](//upload.wikimedia.org/wikipedia/commons/3/32/CDel_6.png) ![](//upload.wikimedia.org/wikipedia/commons/7/70/CDel_node_h2.png) ![](//upload.wikimedia.org/wikipedia/commons/c/c3/CDel_3.png)
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(none)
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p6 (632)
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r6
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[3[3[3]]]+ ↔ [6,3]+
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![](//upload.wikimedia.org/wikipedia/commons/8/83/CDel_branch_c1.png) ![](//upload.wikimedia.org/wikipedia/commons/3/32/CDel_split2.png) ↔ ![](//upload.wikimedia.org/wikipedia/commons/8/80/CDel_node_c1.png) ![](//upload.wikimedia.org/wikipedia/commons/3/32/CDel_6.png) ![](//upload.wikimedia.org/wikipedia/commons/5/5e/CDel_node.png) ![](//upload.wikimedia.org/wikipedia/commons/c/c3/CDel_3.png)
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![](//upload.wikimedia.org/wikipedia/commons/6/63/CDel_branch_hh.png) ![](//upload.wikimedia.org/wikipedia/commons/3/32/CDel_split2.png) (1)
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p6m (*632)
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[3[3[3]]] ↔ [6,3]
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![](//upload.wikimedia.org/wikipedia/commons/f/fc/CDel_branch_11.png) ![](//upload.wikimedia.org/wikipedia/commons/3/32/CDel_split2.png) 3
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