30
BGOBGOBG
GGOGGOGO
GBGBBGBG
OOGOOGOO
BGOBGOBG
GGOGGOGO
GBGBBGBG
OOGOOGOO
BGOWGCOO
BOOWRBRR
OOORBROO
COGWBRCC
CGOWGCGC
GCOGGCCG
GRWBOGOC
BWRGOCCG
RORORORO
OROROROR
RORORORO
OROROROR
RORORORO
OROROROR
RORORORO
OROROROR
RRRRRRRR
RRRRRRRR
RRRRRRRR
RRRRRRRR
RRRRRRRR
RRRRRRRR
RRRRRRRR
RRRRRRRR
COGWRBCO
OGWRBCOG
GWRBCOGW
WRBCOGWR
RBCOGWRB
BCOGWRBC
COGWOBCO
OGWGBCOG
BGBCBCOG
OBBGOOCO
GOOWWOWW
WWOWGGWG
WCGOGCGB
GGCOCCBB
BOWBGBGC
GCBCOWWB
GCGBGGRB
BGRCBRBB
CWWCWCBG
RGRWWCWB
CCWBCWCR
WWGCRRBG
RRGWBWWB
WBRBRBGC
CGGCGOGR
CWCRCROC
RGROWGGO
OOWRRWWC
GOOGCCWO
GGOWWOCO
OGCWGGCC
WCOORWGW
GBWGCBBC
CBBGBOOB
WOWWCBCO
CCGCGCWG
OBCGCOGW
OBWGWCWG
GGBWCBBC
WCOGBBGO
WWCORCGO
GGCWGWCO
WGGCRRCW
GCOWWGOO
CGCWWRGC
RWRORWGO
WOCWOGRW
GOWWOOWW
CWGGRCRG
OCROOGGR
GWROGGOO
WOGRRCRG
OGGRGROR
WRCWRCRC
OCOOWWGW
CCOOGWWC
BOOGWOOG
BOOBBOWG
OBWOOBOO
WOOGBWBO
OOWWOOBW
OBBWWGOG
BOBBGOWB
OOGWGWGO
OWBOWROB
OWWGRBWB
ROGBOROW
ORGOBOWR
ROOBWBGB
BGRBBROO
OWBRBBOG
OORGGWGW
OWOWOROO
OWWROROW
ROOWRORO
WOWROWOR
ORORRORR
RORWRORO
OWRWOWWR
RWOORORR
ROWOCGOW
WRRCOWRR
OGCOWCGW
RCGWWRWO
RRWOGOGR
CWRWCWWO
WRGWROCC
GWGRCWGR
CRCCGBGG
WCGBRWRC
RRWCGRRC
GBBWBGWR
RGCCWGCB
CRRGCWCC
RGBRWGBR
GWBGRGWR
WBBCGCCR
RCWCBCRB
CWWBCRBB
GGCRWWBG
GCGWRWCW
BBGBCGWC
WWBBRRGB
WBCWCGBB
GGCRGWGR
GWGOOCCR
RRWORGOG
WGWWOOWC
WGRORRGC
GCWGROOW
WGWCGCOG
RCRGCCGO
RRGBGCBG
RGBCGRCB
CCGBCGGB
RBBCRGCC
BCRBRCCB
CCRGGCGB
GGBCRBCG
BCRCRBRR
GBGRBBGB
GBRRGGRB
BGBBGRBG
RRGBRGBB
GBBGBGGR
BGRGBRGG
RBGBGRBB
RBGRGGRB
RCCWCRRW
WCORCROO
WORCOWCO
OCOWOWWR
ROCCWRRW
RCOORRWO
ORCRCCWW
ROCOCOCR
BRCBRBCC
CBCBCRBR
RBBRBCRB
CCBCCRCB
CRCBRRCR
BCBCRCBB
CBBCCRCC
BRRBRBCC
BOROORWB
WGBWBRWW
WOWOOWRW
RRGRRGOR
OWGROROB
BROGRWRG
OGWRWOWO
RWOBGOBB
GWBCWBWG
BWCWGCCB
CBWGWBWB
GCCBBGWW
WBBGBBCC
CBCWCWCB
WCCWGBWG
WWGBCWCC
OOCRRCRO
ORCOCOCC
CCRCOOCR
CRRCRCOC
OCOORCOO
RRCRCRCR
COORROOC
RROCCROR
CRGGCCGO
RCGOOCGG
OCRCOGCC
GGOGGCOC
ORROOCGR
GCOCCGOO
ORCORCCO
ORCORGRR
BBWBWOWW
OGOBBWGB
WOWWGOWG
GGWBBGGO
BWBOBOBO
OBOOGOWW
BWOWOGGW
OWWOGWGB
GBRWOGBB
RWOWORGR
RGBRROGG
OGBROROR
OROORWGR
GOBOBORB
GOWWRWRG
RGOBWRWO
CBBCCROR
ORROBBWR
WRORWBWW
RORCOWBB
CWOCRRWW
RCBWBCWC
COBWOROC
WORBCOWR
BRBGORWW
ORRGOBGO
BWWRBGBO
OWGBBGOG
BOGGWOOG
WWORBWGO
BBRWGWOG
RWBRBBOG