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| i2xy | Convert (x,y)-coordinates to single-number indices and back. |
| mapping10kxba142hsgenecodegcdf | mapping10kxba142hsgenecodegcdf |
| mapping10kxba142hsgenecodegdim | mapping10kxba142hsgenecodegdim |
| xy2i | Convert (x,y)-coordinates to single-number indices and back. |