7 7 64 ## 32 sets of 2MOLS(7) demonstrating every possible parity badcfge abcdefg cdabgef defgbca ecgfadb fgbedac gfeacbd dfaegcb abcdefg febcagd gaebfdc cgfadbe bdgfcea ecdgbaf dfaegcb abcdefg febcagd gaebfdc cgfadbe bdgfcea ecdgbaf badcfge abcdefg cdabgef defgbca ecgfadb fgbedac gfeacbd bacdefg abdecgf dcafgbe cdbgfea fegbadc gfecdab egfabcd dafgcbe fbeagdc acbefgd edcbafg geafdcb cfgdbea bgdceaf dafgcbe fbeagdc acbefgd edcbafg geafdcb cfgdbea bgdceaf bacdefg abdecgf dcafgbe cdbgfea fegbadc gfecdab egfabcd bacdefg abecdgf cfbagde gcabfed edgfbac fgdecba defgacb adfgcbe fbgeacd bgcadef gcedfab dfbcega eadbgfc ceafbdg adfgcbe fbgeacd bgcadef gcedfab dfbcega eadbgfc ceafbdg bacdefg abecdgf cfbagde gcabfed edgfbac fgdecba defgacb bfeagcd dbgfcae acbgdef edcbafg cgfebda geadfbc fadcegb afebgcd ebfgdac dacefgb fgbdcea gcdaebf bdgcafe ceafbdg afebgcd ebfgdac dacefgb fgbdcea gcdaebf bdgcafe ceafbdg bfeagcd dbgfcae acbgdef edcbafg cgfebda geadfbc fadcegb badcfge abcdefg cdaegbf dgefcab efbgdca fcgbaed gefabdc gdfbcea abcdefg faegbcd ecbadgf cedfgab bgaefdc dfgcabe gdfbcea abcdefg faegbcd ecbadgf cedfgab bgaefdc dfgcabe badcfge abcdefg cdaegbf dgefcab efbgdca fcgbaed gefabdc badcgef abcdefg cfabdge fgeacdb gcfeabd edbgfac degfbca dgbface abcdefg ecfagdb gfdebac bdagcef fegcdba caebfgd dgbface abcdefg ecfagdb gfdebac bdagcef fegcdba caebfgd badcgef abcdefg cfabdge fgeacdb gcfeabd edbgfac degfbca gdebfca abcdefg befgcad dcbeagf fgacbde cagfdeb efdagbc ecfagdb abcdefg dgbface fegcdba caebfgd gfdebac bdagcef ecfagdb abcdefg dgbface fegcdba caebfgd gfdebac bdagcef gdebfca abcdefg befgcad dcbeagf fgacbde cagfdeb efdagbc bacdefg abdgfce dcaebgf cdefgba fegcdab gfbaced egfbadc gafecbd dbacegf fcebdag bdgafec cebdgfa efcgadb agdfbce gafecbd dbacegf fcebdag bdgafec cebdgfa efcgadb agdfbce bacdefg abdgfce dcaebgf cdefgba fegcdab gfbaced egfbadc bacdefg abfcged cebadgf gfabcde fgdebac dcegfba edgfacb agfecbd dbgafec edcfbga cebdgaf fadgecb gcabdfe bfecadg agfecbd dbgafec edcfbga cebdgaf fadgecb gcabdfe bfecadg bacdefg abfcged cebadgf gfabcde fgdebac dcegfba edgfacb bfegdca cbdaegf fdbecag dagbfec gcadbfe egcfabd aefcgdb afegdcb dbgafec gecbadf fcadbge bgfcead cdbegfa eadfcbg afegdcb dbgafec gecbadf fcadbge bgfcead cdbegfa eadfcbg bfegdca cbdaegf fdbecag dagbfec gcadbfe egcfabd aefcgdb abcdefg badcfge cdaegbf dgefcab efbgdca fcgbaed gefabdc bacdefg gdfaceb fbegacd ecabdgf cedfgba agbefdc dfgcbae bacdefg gdfaceb fbegacd ecabdgf cedfgba agbefdc dfgcbae abcdefg badcfge cdaegbf dgefcab efbgdca fcgbaed gefabdc abcdefg badcgef cfabdge fgeacdb gcfeabd edbgfac degfbca bacdefg dgafbce ecfbgda gfdeabc adbgcef fegcdab cbeafgd bacdefg dgafbce ecfbgda gfdeabc adbgcef fegcdab cbeafgd abcdefg badcgef cfabdge fgeacdb gcfeabd edbgfac degfbca bacdefg dgebfca ebfgcad cdbeagf gfacbde acgfdeb fedagbc bacdefg cefagdb gdbface efgcdba acebfgd fgdebac dbagcef bacdefg cefagdb gdbface efgcdba acebfgd fgdebac dbagcef bacdefg dgebfca ebfgcad cdbeagf gfacbde acgfdeb fedagbc abcdefg badgfce cdaebgf dcefgba efgcdab fgbaced gefbadc bgfecad adbcegf cfeadbg dagbfec ecadgfb fecgbda gbdface bgfecad adbcegf cfeadbg dagbfec ecadgfb fecgbda gbdface abcdefg badgfce cdaebgf dcefgba efgcdab fgbaced gefbadc abcdefg bafcged ceabdgf gfbacde fgdeabc dcegfab edgfbca bgfecad dagbfec edcfagb ceadgbf fbdgeca gcbadfe afecbdg bgfecad dagbfec edcfagb ceadgbf fbdgeca gcbadfe afecbdg abcdefg bafcged ceabdgf gfbacde fgdeabc dcegfab edgfbca faegdcb acdbegf dfaecbg bdgafec cgbdafe gecfbad ebfcgda faegdcb bdgafec egcbadf cfadbge gbfcead dcbegfa aedfcbg faegdcb bdgafec egcbadf cfadbge gbfcead dcbegfa aedfcbg faegdcb acdbegf dfaecbg bdgafec cgbdafe gecfbad ebfcgda