bbb bbc bbk bby bcb bcc bcj bck bcv bcy bjc bjj bjk bkb bkc bkk bkv bvb bvc bvk bvv by- byc byj byk c-- c-j cbb cbc cbj cbk cbv cby ccb ccc ccj cck ccv cjb cjc cjk ckb ckc cky cvb cvc cvk cvv cyb cyc cyk jbc jbj jbk jcb jcc jck jjb jjc jjj jjk jjy jkb jkk jkv jvb jvc jyj kbb kbc kbk kcb kcc kck kjb kjc kkb kkc kkk kkv kky kvb kvk kvv kyc vbc vbk vbv vcc vcy vkb vvb vvc vvv ybc yby ycc ycv ycy yjv ykk yvy yyb yyc yyy

bbbb bcbc bccc bjcc bkcy byck cbbc cbcc cbkj cbvb ccbc cccb cccc cccv cjbc cjbk cjcb cjcj cjcy cjkv cjvb ckbc ckck ckcv ckcy ckjv cvcc cybb cybc cyc- cycb cycc cyy- cyyc jcbc jccc jjcc kbbb kbbc kbbk kbcb kbck kbcy kbjc kbjk kbkb kbkk kbkv kbky kbvb kbvc kbyb kcbc kcbk kccb kccc kcck kccv kccy kcjb kcjc kcjj kcjk kckc kckj kckk kckv kcky kcvj kcvk kcvv kcvy kcyk kcyy kjbb kjcb kjcc kjck kjcv kjcy kjjj kjjk kjjy kjkj kjkk kjvc kjvv kkbb kkbj kkcb kkcj kkck kkcy kkjb kkjk kkjy kkkj kkkk kkvv kkyc kkyy kvbc kvcb kvcc kvck kvcv kvcy kvjy kvvv kvyb kybb kybc kyby kycc kyck kyjc kyjk kykc kykk kykv kyky kyyk kyyy vbcc vbyv vvvv yccc yyyy

by-by cc-by ccccc

bbbbbb vvvvvv

bbbbbbb

bbbbbbbb

bbbbbbbbbbbbbbb ccccccccccccccc