Floodfill string rep:
12, 4, 24, 20 -> AAAAAAAAAAAA.AAAAAAAAAAAA.AAABFIJHCAAA.AAEOOLKMOKBA.AGPFAAAABLNA.COECFAAAAAKL.LJAMPBAAAACP.OFAOQDAAAAAK.PDAHOBAAAAAG.OEAAMNCDEBAI.NHAABOPQQIAP.FOAAABFLLCGO.FMABAAAAAFOF.MMMPIDBFLPFA.NKHFKNNMICAA.BAAAAAAAAAAA
36, 4, 48, 20 -> AAAAAAAAAAAA.AAAAAAAAAAAA.AAAAADDAAAAA.AAAABNNBAAAA.AAAAGQQGAAAA.AAACPQQPCAAA.AAAJQJHQJAAA.AADPQECPPDAA.ABNQQECPQNAA.AFQQQECPQQFA.BNQQQONQQQOB.JQQQQGEPQQQJ.PQQQQGFQQQQP.QQQQQQQQQQQQ.FFFFFFFFFFFF.AAAAAAAAAAAA
56, 4, 76, 20 -> AAAAAAAAAAAAAAAAAAAA.AAIQQQQQQQQQQQQQQAAA.AAQQQQQQQOOQQQQQQAAA.AAQQQQQQQFFQQQQQQAAA.AAQQQQQQOEEOQPQQQAAA.AAQQQQPPQIIQDBNQQAAA.AAQQQPCFQIIQDBNQQAAA.AAQQQPDEQIIQHFQQQAAA.AAQQQQGHQIHGBLQQQAAA.AAQQQQLDFGCKPQQQQAAA.AAQQQQQPKCJQQQQQQAAA.AAQQQQQQQIIQQQQQQAAA.AAQQQQQQPEEPQQQQQAAA.AAQQQQQQKAAKQQQQQAAA.AAQQQQQQOBBOQQQQQAAA.AANQQQQQQOOQQQQQQAAA
156, 4, 168, 20 -> AAAAAAAAAAAA.AAAAAAAAAAAA.AAAABKLEAAAA.AAAABPQGAAAA.AAAABPQGAAAA.AAAABPQGAAAA.AAAABPQGAAAA.AAAABPQGAAAA.AADLLQQNLLBA.AAAHQQQQNCAA.AAAAGPQNCAAA.AAAAAGMBAAAA.AAAAAABAAAAA.AAAAAAAAAAAA.AKNNNNNNNNMB.AGHHHHHHHHHA
184, 4, 188, 12 -> AAAA.AAAA.BKLE.BPQG.BPPG.AEEB.ADDB.ADDB
276, 4, 280, 20 -> AAAA.AAAA.DFHE.PPPI.BBPI.AAPI.AAPI.AAPI.AAPI.AAPI.AAPI.AAPI.AAPI.AAPI.AAAA.AAAA
284, 4, 292, 20 -> AAAAAAAA.AAAAAAAA.ABGIGBAA.DOOLNODA.MNBABNLA.JFAAAKOA.AAAAAMMA.AAFHLODA.AAILOMCA.AAAAAMMA.AAAAAHPB.PIAAAIPA.KOFBEOKA.BJPPPKBA.AAACAAAA.AAAAAAAA
296, 4, 316, 20 -> AAAAAAAAAAAAAAAAAAAA.AAAAAAAAAAAAAAAAAAAA.ABDFHEAAAAAAFIGBAAAA.AHPPPIAAAABNOLNODAAA.AABBPIAAAAKOBABNLAAA.AAAAPIAAAALIAAAKNAAA.AAAAPIAAAAAAAAANLAAA.AAAAPIAAAAAAAAGPEAAA.AAAAPIAAAAAAACOJAAAA.AAAAPIAAAAAABNMAAAAA.AAAAPIAAAAAALNBAAAAA.AAAAPIAAAAAJODAAAAAA.AAAAPIAAAAHPHDDDDBAA.AAAAPIAAAAMPPPPPPEAA.AAAAAAAAAAAAAAAAAAAA.AAAAAAAAAAAAAAAAAAAA
84, 10, 96, 20 -> QQMDQQQLEQQQ.QQMFPQQLFQQQ.QPQQQQQQQQPQ.ODGMPQQOKEHQ.QPHECCCCEKQQ.QQQQPPPPQQQQ.QQQQQQQQQQQQ.ELQOFFFFFFFE.AJPDAAAAAAAA.AHDAAAAAAAAA
108, 8, 120, 20 -> LLQQQQQQQQLN.FAIPQQQQPHAJ.FDCDPQQPDCDJ.FFPGBKKBGPFJ.FFQQIABIQQFJ.FFQQQMMQQQFJ.FFQQQQQQQQFJ.FFQQQQQQQQFJ.KKQQQQQQQQKM.KKKKKKKKKKKK.AAAAAAAAAAAA.AAAAAAAAAAAA
132, 8, 144, 20 -> AADGLOIOGDDA.ADJLKOKKOIIB.AJMQMHKNJFGH.GJMEGBINPKHL.HLIIIHMKPDLM.GKOLKLNPGCPM.HHJPJPJJCOQI.CGHJOJBCOQQC.AEJFFGKQQQHA.AADOQQQQPJAA.AAABEGGFCAAA.AAAAAAAAAAAA
256, 8, 268, 20 -> AFGFMSRQGGFA.BJKJSXXQJKJB.BMNNVXTMNNMB.BLMOWWTTQMLB.BLMNOPXWNMLB.BLNMLSXOMNLB.BLNMNWRMNNLB.BLNMQTMNMNLB.BLNMONMNMNLB.BLNMMMMMMNLB.BMNMNNNNMNMB.AGGGGGGGGGGA
16, 44, 72, 64 -> DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD.DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD.DDDDDDDGIFDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDEIIEDDDDDFIID.DDDDDDDQZLDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDUZODDDDDUZPD.DDDDDDDQZLDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDHZYGDDDLZWED.DDDDDDDQZLDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDPZSDDEXZJDD.DDDDDDDQZLDDDDJQTRLEDDJPKDDDDHPLDDDJQTRLEDDDDEWZJDPZRDDD.DDDDDDDQZLDDDRZYUXZUEDGZUDDDDQZLDDRZYUXZUEDDDDJZVHZXFDDD.DDDDDDDQZLDDKZUEDEUZLDDUZGDDDXYEDKZUEDEUZLDDDDDQZYZKDDDD.DDDDDDDQZLDDGLHDDDLZPDDMZNDDIZQDDGLHDDDLZPDDDDDFXZTDDDDD.DDDDDDDQZLDDDDDFHHNZQDDFYUDDPZIDDDDDFHHNZQDDDDDIZZWEDDDD.DDDDDDDQZLDDDMWZZZZZQDDDSZGDXWDDDDMWZZZZZQDDDDEVZUZPDDDD.DDDDDDDQZLDDPZVKGGMZQDDDKZNIZODDDPZVKGGMZQDDDDNZSEWZIDDD.IXRDDDDSZKDDXZGDDDLZQDDDEXUPZGDDDXZGDDDLZQDDDGYYGDKZVEDD.FZXEDDFYZFDDXZFDDEUZQDDDDPZWUDDDDXZFDDEUZQDDDUZODDDTZODD.DRZULMWZPDDDRZUNPXVZRDDDDHZZMDDDDRZUNPXVZRDDMZWEDDDGYYGD.DEQYZZYODDDDFTZZYOIZUDDDDDVYFDDDDFTZZYOIZUDFYZJDDDDDOZUD.DDDEHHEDDDDDDDFHEDDDDDDDDDDDDDDDDDDFHEDDDDDDDDDDDDDDDDDD.DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD.DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
76, 44, 88, 64 -> DDDDDDDDDDDD.DDDDDDDDDDDD.DDDDEJMLGDDD.DDDIWZZZZQDD.DDFYYNGIVZMD.DDOZPDDDIZUD.DDOUIDDDFZWD.DDDDDDDDJZSD.DDDDDDDDTZJD.DDDDDDDMZSDD.DDDDDDIZWFDD.DDDDDGXYIDDD.DDDDEVZKDDDD.DDDDSZNDDDDD.DDDPZRDDDDDD.DDKZYPOOOOOG.DDPZZZZZZZZK.DDDDDDDDDDDD.DDDDDDDDDDDD.DDDDDDDDDDDD
0, 80, 320, 81 -> DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
200, 99, 218, 111 -> UURLKMSUUUUUUUUUUU.UKADGCAMUUUUUUUUUU.NAJUUUHARUUUUUUUUU.EDUUUURAMUUUSLIKSU.AIUUUUUSTUURCCHDBP.AKUUUUUUUUUFDTUTED.AKUUMGGGNUSALUUUMA.AKUUOKJAKUQAOUUUPA.BHUUUUTAKUQANUUUOA.HBSUUUTAKUTBIUUUJA.SCDPSRJAMUUJAMSNBI.URFAAADNUUUUJAAAHT
1, 101, 103, 113 -> UUUVXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXWMWXXXXXMUXXXXXXXWMWXXXXXXXXXXXXXXXXXXXXXXMUXXXXXXXXXXXXXXXXXXXXXXXX.LNOOLRXXXXXXXXXXXXXXXXXXXXXXXXXXXXWLVXXXXXTWXXXXXXXWLVXXXXXXXXXXXXXXXXXXXXXXTWXXXXXXXXXXXXXXXXXXXXXXSU.LUXXVLVXXXXXXXXXXXXXXXXXXXXXXXXXXXWLVXXXXXXXXXXXXXXWLVXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOR.LUXXXLUWMWXXPSWMTMLQXXXXRQXXPRXXOTWLSMLQXXMUXWOLNUXWLSMLQXXXXXUNLNVXWMTMLQXXMUWNTMMRXWNTMMRXXWOLNUXOLL.LUXXSMWWLWXXNRWLQWVLUXXXTMXXLNXWLWWLQWULUXLUXNRXTLXWLQWULUXXXXLTXRMXWLQWVLUXLUWLQXTLUWLQXTLUXNQXSMXXOR.LLLLLTXWLWXXNRWLVXXNSXXXXLVTPMVTNXWLVXXNRXLUULXXXRWWLVXXNRXXXXLSXXVXWLVXXNSXLUWLVXXPQWLVXXPQULUVVLUXOR.LUXXSLWWLWXXNRWLVXXORXXXXOSPSPRQQXWLVXXORXLUTMXXXXXWLVXXORXXXXUOLPVXWLVXXORXLUWLVXXROWLVXXROTLNNNNUXOR.LUXXXLUWLVXXNRWLVXXORXXXXSPMWUONUXWLVXXORXLUULXXXVXWLVXXORXXXXWXXRLXWLVXXORXLUWLVXXQPWLVXXQPULXXXXXXOR.LUXXXLUXMSXVLRWLVXXORXXXXVLOXXMMXXWLVXXORXLUXMSXVLWWLVXXORXXXVLVXULXWLVXXORXLUWLSXWMSWLSXWMSXMSXXUXXOQ.LUXXXNRXTLMOORWLVXXORXXXXXMSXXPPXXWLVXXORXLUXUMMMTXWLVXXORXXXXRLMMSXWLVXXORXLUWLPMLPXWLPMLPXXUMMLOXXTL.XXXXXXXXXXWXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXWXXXXXXXXXXXXXXXXWXXXXXXXXXXXXXWLVXXXXWLVXXXXXXXWXXXXXW.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXWLVXXXXWLVXXXXXXXXXXXXXX
112, 102, 125, 111 -> MNONLSXXWMNNM.MTXXULTXRPXXO.MTXXXRNXXXXXO.MTXXXULXXXXUL.MTXXXULXXXVMS.MTXXXTLXXXPPX.MTXXXPOXXXUVX.MTXWRLVXXXUVX.MLLLOUXXXXOQX
139, 100, 164, 111 -> XNDHJFSXTGGGGGGDRXWDDDDDJ.SDPXXXXXXXXXXXJIXXUDSXXXX.JGXXXXXXXXXXXPFVXXSDUXXXX.FKXUUXXXXXXXVEQXXXQDVRRWX.FIHEDFTXXXXXLHXXXXODEDDFU.FFTXVGGXXXXVDQXXXXMFUXTEI.FLXXXQDTXXXPDWXXXXXXXXXMD.GJXXXSDSXXXKGXXXXXXXXXXPD.KFXXXPDVXXXHIXXXXXJJXXXLD.TDKVSFJXXXXFKXXXXXODQVREL.XRFDDIVXXXXFKXXXXXXMDDDJW