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| i2xy | Convert (x,y)-coordinates to single-number indices and back. |
| mafacyrgene11stmamuentrezgcdf | mafacyrgene11stmamuentrezgcdf |
| mafacyrgene11stmamuentrezgdim | mafacyrgene11stmamuentrezgdim |
| xy2i | Convert (x,y)-coordinates to single-number indices and back. |