bbb bbc bbs bbt bcb bcc bcs bct bcv bsb bsc bss bst bsv btb btc bts btt btv bvb bvc bvs bvt bvv c-- cbb cbc cbs cbt cbv ccb ccc ccs cct ccv csb csc css cst csv ctb ctc cts ctt ctv cvb cvc cvs cvt cvv sbb sbc sbs sbt sbv scb scc scs sct scv ss- ssb ssc sss sst ssv stb stc sts stt stv svb svc svs svt svv tbb tbc tbs tbt tbv tcb tcc tcs tct tcv tsb tsc tss tst tsv ttb ttc tts ttt ttv tvb tvc tvs tvt vbc vbs vbv vcc vcs vct vsb vsc vss vst vsv vtb vtc vts vtt vtv vvb vvc vvs vvt vvv

bbbb bbbs bcbc bcbs bccc bccs bcsc bcss bctc bcts bscs bssc bsts bstv btcc btcs btss bttb bvsc cbbc cbbs cbcc cbcs cbct cbsc cbtc cbtv cbvb ccbc cccb cccc cccs cccv ccss ccst cctb cctc cctt cctv ccvs cscb cscc cscs cstc csts ctbs ctsc ctss ctts ctvt cvbs cvcc cvss s-vt sbbs sbcc sbcs sbct sbst sbtc sccc sccs scct scsc scst sctc scts sctv sscc sscs sssb sssc ssss sstb sstc ssts st-v stbc stbs stcc stcs stss sttc stvs svcc svcs svsc tbbs tbcb tbcc tbst tcbs tccc tctc tcts tsbc tscc tsst tstc tsts ttbb ttss tttt tvbs tvss tvtv vbcc vssc vvsb vvvv

bbctv bcbst bt-sv ccccc ccctv cstcc cstvt cvstb cvtcs sccbc sssss tbtbt ttttt

bbbbbb bc-stv bs-tbs cbs-tv sttstc vsb-tv vvvvvv

bbbbbbb sssssss

bbbbbbbb

bbbbbbbbbbbbbbb ccccccccccccccc