c-- ccc ccr ccs cct crc crr crs crt csc csr css cst ctc ctr cts ctt rcc rcr rcs rct rrc rrr rrs rrt rsc rsr rss rst rtc rtr rts rtt scc scr scs sct sr- src srr srs srt ss- ssc ssr sss sst stc str sts stt tcc tcr tcs tct trc trr trs trt tsc tsr tss tst ttc ttr tts ttt

cccc cccs ccrc ccrs ccrt ccss ccst cctc cctt crcc crcr crrt crss crst crtc crts cscc cscr cscs csrc csrs cssr cstc cstr csts ctrc ctrs ctsc ctss ctts rccc rccs rcsc rcss rctc rcts rrrr rscc rscs rsts rtcc rtss rtts sccc sccs scct scr- scrc scrs scsc scsr scst sctc sctr scts srcc srct srtr sscc sscs ssrc ssrs sssc ssss sstc ssts stcc stcs strs stss sttc sttr tccc tctc tcts trcc trst trtc trtr tscc tssr tsst tstc tsts ttss tttt

ccccc cstcc sctrs sssss strrs tsrcs ttttt

sttstc

sssssss

ccccccccccccccc