bbb bbc bbk bbn bbr bcb bcc bck bcn bcr bkb bkc bkk bkn bkr bnb bnc bnk bnn bnr brb brk brn brr c-- cbb cbc cbk cbn cbr ccb ccc cck ccn ccr ckb ckc cn- cnb cnc cnn cnr crb crc crk crn crr kbb kbc kbk kbn kbr kcb kcc kck kcn kcr kkb kkc kkk kkn kkr kn- knc knk knn knr krc krk krn krr nbb nbc nbk nbn nbr ncb ncc nck ncn ncr nkc nkk nkn nkr nnb nnc nnk nnn nrb nrc nrk nrn nrr rbb rbc rbk rbn rbr rcb rcc rcn rcr rkb rkc rkk rnb rnc rnn rnr rrb rrc rrk rrn rrr

bbbb bbrc bcbc bccc bnrr brcb brkb brrr cbbc cbcc cbcn cbcr cbkn cbkr cbrn ccbc ccbn cccb cccc ccnb ccnc ccnr ccrc ckbc ckck cknb cknc ckrc cnbc cnrc cnrr crbc crcc crcr crkc kbbb kbbc kbbk kbbr kbcb kbck kbcr kbkb kbkk kbkr kbnn kbnr kbrb kbrc kbrk kbrn kcbc kcbk kcbr kccb kccc kcck kccr kckc kckk kckn kckr kcnb kcnr kcrc kcrn kcrr kkbb kkbn kkbr kkcb kkck kkcn kkcr kkkk kknb kknn kkrb kkrc kkrk kkrn kkrr knbb knbc knbn knbr kncb knck kncn kncr knkk knnb knnk knnr knrb knrk krbb krbk krbr krcb krcc krcn krkc krkk krkn krkr krnb krnk krnn krrb krrc krrk krrn krrr nbbc nbcc ncbc nccc nccn nccr ncnc ncrc nnnn nrrc rbbb rbbr rcbc rccb rccc rcnr rnbr rrrr

b-r-k brrrr ccccc cnnnn

bbbbbb

bbbbbbb

bbbbbbbb

bbbbbbbbbbbbbbb ccccccccccccccc