7211 7
fcdeecgbbaaacgcddbgedfabeadfgbbgagcbecgadcabgbgbcaddedaebaeedaabddffdggdecbfgfefbdcabacfbgffbfbeaefddfdgaagfagbfbeaaadgcaedaadfbcegffeeddabddbegagdcebfcegafgcbcdbageaggbgaegacfgggbabafbbadaafcfgddaafffacaaeccagegfgbgecdacedbeagbagbfadaaaaggbggbeeebdfbacfabgfacgbdfcccbfgbbcedaedfeafeaabaaefabbadcgfdegcgbdfdcdfecfaafagecdecfdgfaceccagbgagcgbdgcadgabggedaaaabcbagbggfbfccffaddeefacgdgfbeffafaeaefbggccdaafgeecbdaedgcdafffaeefeebaaafebbdccgabcecegeedbcgbdbaffabdegdgdacfffdcgbcbffcfecbebdegggbaafegbcaegaggbfcaaccddadcffgdbebgbgecgfdabdcdfecbadgdacbfgbafbagdddffgdafafebecagcgbbcafffedebafgffecggbeedebdbegaegccafbfbddbceebedfbbabccebgcbdfcebbbcdbgabdfegffaggcdeddfacgaacefagecffbcfdbfdbdgdcbdgddegcfcegddcdddbdaeaeaecgfggaaadbadeabdaabfbaagffccaadfbgggfdabceagcbadfgecceabgaaefgcegebaagacedbcaedcbcdeccfagadagdegabfgcabecfbdgefeddedfedbdbgddbbbbdfcbcbdgfcccgbebeedfcfbgbgdgabfgbbgffgbccddcdecgfdbbbaaccbbgfegaafeddbgfbbfeaecffagefadgbbcabbbefbfgdcaccfcfdccafabadgbdfdcacdffcebbebgeeegdeaabbabafdgebdegdcebefdedceafecdcaeccacbeeccaffaacdgaabadcdbgadafdaceggfcabcadfaageeafgdcaagedfdcdfeegaefffdggcbbgffdfffbdgcedegfgabbbdcdddcfacdgbffagcefcffffedgeagacffdgbgfbegdabadbfbaagbggbfabadebacbeedagdgdeeeddfecdbgcgaecfddgedaeadcddafadcaafbdbaaccagbdggfgfedeffcegfcdcafbdcdfgcfbfdcfefdbdefgagbedbeecgadcbggddddfgbccebbacafbabcfgbcfeedcefafafgffbbfbddbfaabbgaeecbedbdcgdfgdadcgeagecdcddbfcbefaebaeecceddaefgbdcfcgedffggegdfeffadgadcbagababgfdfbfdfgedgbdfacagffgfbabdgaeccgdedaegaebeafaaadbgbdaabdefbdfgcaadcgbdgabefggfeabdffbfgacabbgdgbfebgebfcdebdbcdedbccgbbcccccgaecafcdabcgcffddcadcbecacfaggbeagacdgbcacggfdgefaadedgegfggddaedfefabbgdbdaecdfggagffeggggaeegafeeffebdcfcbaceeafdfcdbfdccdddbafdcefbbdbgaegdfaaaegedagddbfdefgaaaeggafgbcffebggbcebcaebacgcbdebgcddedfbbedcgfgfecaadfgfbgddfceacabfeafgdgdafbdcdccgdefggeedbgcadgfbcffcdbebdgaegaadabgceeabgeaacfcfacdgaabfbcgadbaeeagbcfcagbeaecceffcbebgefbdbaadgaecffgbcgacebfgebbcfefbcaecebbbgfeecdafdbabbeaagefbcadfaacgfcdgedgacdgcbdbbbedbcfegfabcfadcccccdedgaeacaebgfbaaagdebcbgeegcgeaggebcddfeeaabbfcbdacfagabgfeddfbceafeaaafecebbaegbcbfdcfdecegbaaafcbcdffdbcedgcbeafacfgecgaedgfdfbfcfgddbeggdgbdgdddgbaebfgaccaefafeeadaddbaeeaccbaffgfecdbgcbebdbaccbbdcgcbabbabggaefcfbdcffbddffefbedbeecddebfbefgdcbbdgfgadadacfaeeegeedfedafceeaacafcfbeadgecgcabdbdadffbddggdggaeagfggefadgcbecgbccaaadcgcbeagecedgbeddbegfbgdefagcgaffggefccbcfdbbgbfbebcabgcgcfcaffddffgcabfacadfedcaaddgcbgcgbgeddacfddcfeeddagegdgbbfaaceeeeffeafcfegceeabbdffabbfbagfaebddbgffecdegefcfbgdgbeefgegggaeddeddadabfadgcabadeeabbggfaafecdbdebbebbfadeaddedbdfcceddaedbfeageeegcggdaaadfaacdafccgefabccddbaeebgcddbeagbcgegcbfacgcdgbdgdccfabgbgdgeecfaegfebgcaccffcaacbfaaeeefadeecbggbgdegafgggddeaabfffbebbbeafcecadabbddecbddgfgfggdcggfbgdecfffecbefaadeaeacafafaggaabgbgdcgdafcbaffgcgdgdbcfbadccdfebdgfdfdecagbeecedgcdgfbdcagfgbaggeacaddegefbgddaabaegfceaacaaacfbbbfddaeegcbfcgebeffcgcbddfbgeeafbfabebbeebgfeggbbbfcgcdadddacfafefebeddfgbcgfgeceaaafaddeegedaabeadfeaabbcdcgccgbbbcbdfbedaaebbfccbfaafaebeafdfefafefccffffbfgegbbeagegaaafadffgggceddccggfefacebgcfgdgcddfdegececaeaeebbgeaacdgecgfdefcbggabafdbefdfbgebcdbccbaddgabcebaadeaacaaagdfabefffdfaeffbddgebfdfeabgafdgbfdebgagcbaefbaaddbdegfffdeggaddgdaggceebgabccegabaebaffedfffaafafbfccbfeaafdbcfeabaadbfaeffgbfcbagcdaebcbfedfbageacdggeeebbgfebcgaffefbgfacbggbecgdadgddggceccbgcedaceaffeggcegbgabebdegeffcdfabgdaccbcgcdebfacbbeffegacddbefegeffdebgedceccedggbfdaaefaaedcgebgagdffgcefbfbdfbfbdggegffdcffedfefccdfdaagcgeffafedaafbagafgfggcgbgcabeegefaafdbffdeacgdbgfgggegaecafbfdffegabagbgacddaggegfcegfagacaeeebfadbdfgefbgccaeegcgdceccfdafbcaegfeaaaddfcfbcfedfgeeffecaaebeeaaddcgfaagagggebgaceaagagdcgggedbdagcafgdffagabaaddeeeaecafggbfcdaffcbgdcgcgaeffecggagbabgaeafbabfafefadegaefgddgbecacdacegcfffadefdgbddaeggffgebabeeceabcbfabefeaecaefbacdfdeebbcbgfdcbcdbecdbbgeadgggedbgbbdfeccgabfgbbbgcecccfggafceacgagfcabaacgaageaacdecfagbffffbcaccddgddgebgecffggfgcebeecaegdaaddgdfebfcefdccfcefddfacadcgacccbcfegabgfffeecgbgfecgabgdeggbfbaecdcbeacacfedfcgagdfeabeadedcabefefabdedgdefcbcgdggggefebcdcbaceffgaddfaffagaebbdbdcadgcafgegbedbgcgceaafbgfggbgbgcffaafcadfbbgedbdbegbefaeddfacaabbdaagecadgfgdcfcdefgbbecbccgecffafabgdgcebacdafffdbcfffbgdfecbaccdaefdeefaaggfecfdbeccgcefcbagdgcdfdedefaagcbfdfacaaeeaaaeababdgedcbbdcbeffeeecdbgffcegbabaddefecaafacdfgeafbafgbgddbeacfefaaabdbbfcdfadfffeabdfbebgaadbbfggabfaafacbbfagdffbggacdaceegegaacgedaadcebgcffbgdebaadfeeeffdcdedbabebgabacdebaadbdbbbcfefegfebgcffffagfggddddbfgefebaffegebedcddggddcffggcbgfabeddecgefdfaafedafdegcaabbcagccbagegecfdefgdabcfabedbgccgbgfgagccfaefgbgdceafggfdaafcfdbfdagefbaccgfggdccccccgeffaggabagggbbfcgeaeffegacaadedbgbfcbeadeeeddafafbbgaccaaceagefbbafddggggefeggcbaeaeaagbadaeeffcceebcfddebcebeaffgccfcaaddceaacbdgadfbgeafegagdfgbdcbfdfcceebgafeebbgdcdabgeaeagfcabfafccdbcbedgegebfdbbgadbcggbfcagbggbcaadcbcaadefedgcbdgaafgeeeaddegddgdbdedadfaggcccacgdeceaebaebcabafdbeefdaecbecgbefcafddgfbebgecbfefgaabdegccaeadccbbbabfddfddbbefbgfbfagfdddgggafcdgadbgaegbbdcdfaadgeeffegfedgadebcgffgadfagbffdfgabfaecefgadedeegddeabadfgfaeccebbadgccabeaafccegcdggebgagfadacdbaecffebgcdaceaabgcgegabfeeffdfcgdfgdafadefdfbgafbddfebafbagdbgedddgagfecbcabbcddegbgeddgcdfefcdacedecadgbfgdeaefegfffffgefgadgffbafggfdaeffebgcgdbfgdecedfecfeccdcafagdggbcgfcabddaedgdgdagabgbbafebegabebacbbaefacgadgeedgfdbagddbgaaacedccceadffabbggbacfecfddafffaebdagedccbbgcbbdddbbbfbcfeeggfccebfefggdgggcfeggdgdfddagbccccadadagbcabfbdebgeafaaggdbagbcbdefbeaccfcgcdaceacdfedbbfgcgfeagfgfedddgbfbbcbdfcbegbdcgcfecacgbbfgggccddbfegefffgbgfdbaggbdbgceecabbfcfeaaegdeaegeabffbeaaabcgeagcdbcgfeaeebgcegadcdbfcbedfeggfaaadggbfgecagacedfeccccgbccfbeccgfabefaafcdbfedgbbdcfcecfabeeefbcgegcffeegacbagdbceegfgcefbefbcfefdccceaddcefcfedbfbadgbcfccdcecgdbabbfefbbfgcbfaegaegdddfbbfffdcbbecggdcaaddefcagfegdfdcdgbgbdaebgabeacgbaaacagbgcfbdadeadgagccagbaaedfggaggaacaddedbdcbcffddfedbdagdffcacddeabfcedbaeaebdeaecceeaecdbceeebbfceegfccggacgcbfeebafacgfbaebdcafgdegaagcfbfcfgceaacffaaddfgebegeggccbdaegaaaeeeaaecaacfabbcbbbgadbdbdbecbfeefgcfdabfadcaefacbbabbfgafffcafeecfcgfabadcdegdgbaggbeffefacbdabfbageagdaddagecfggefdcgegafeebdagfffbebaabcbcbbfecccdacacffeedgbagabgbbbbadabfbaebdfgeccceaecfbdebadgcfeaacdebbegeedcbbfeabgeecdgegbgdeacagafgcdfecgfegcbccbddebbdedecgbbedcdegbefefffgcdgegdaedbbgbefdgbfabeddfbbfeefegfgbeggaaefedbfgaggacfcbgefdecbdcdeebfbdgddacfgadefbgbabbdccbeafbaacfbfcgcdccbeccedeefbgbgfbdbcaagbaaddebffgccdeadeadaeddddggabfggagdgbbaefaeegfgbcffffdggcedafcfdbecbcgfgbgdddafcdbeebbfgebfffgfcbfeffdcefagcbdgebaafggdedggcgegggggebeccfggeegddbabegcffbgddfdddefbgbcggagfbfabdfceecgcbeccdabecgefcgebcdeededegceegaceggcgggbfcabcggedadafgcbaacddbbadbacagfecbgaddcaadbcbgfadccfcceaffbdfcddefdfedfabdaggdegffcbdaaecffggcbafaafeecbgbdggfdeefaabfafdegddbacecgebgeafgfdbagfegfecffffegebgbgedcgfacecfbggffbbgfcgfdbccbfcddgeefadfebcbccffgaeedagebbgggcadadfabfbeccbbcgaggccbegefedgbgaedgcegfdfccaacabacgbdebfccaedaeabffaecgaebdcgffadfgdgdfcdeaedbbdbadbbdaeafacebcdedbfbbgebgbdcedfaaedeegcbaeadddfcbbbfeafbcgcfababedcbafacdfbfdbbgacbgfbcgdcgaecfdbadageafccecadbbcgaefdfbefbcafbbacdabebfeegfbbagdcgfabgccddgdcaffadgffadecbddfedfccdgcffecbbbcfccbegcgafdabdaeeeeebabcfcbdcgcdfgddcgfbgcgbfdegdfdfcgabdcacadcdcggdfcbdbggfgceccdbfcfcdffgcgdfcbdbabccdgcgbbeabebdb