bbb bbc bbl bbs bcb bcc bcl bcs blb blc bll bls bsb bsc bsl bss c-- cbb cbc cbl cbs ccb ccc ccl ccs cl- clb clc cll cls csb csc csl css lbb lbc lbl lbs lcb lcc lcl lcs llb llc lll lls lsb lsc lsl lss sbb sbc sbl sbs scb scc scl scs slb slc sll sls ss- ssb ssc ssl sss

bbbb bbbs bblb bbls bcbc bcbs bccc bccl bccs bcsc bcsl bcss blls blss bscs bslc bssc cbbc cbbs cbcc cbcl cbcs cblb cblc cbsc ccbc cccb cccc cccl cccs cclc ccls ccsl ccss clsc cscb cscc cscl cscs lbcc lcbc lccc lccs lcls lcsc llbs llcc llcs lllc llll lscb lscs sbbs sbcc sbcs sccc sccl sccs scl- sclc scls scsc scsl slcc slsc sscc sscs sslc sssb sssc ssss

bccsl ccccc cccsl lsccb sccbc sssss

bbbbbb

bbbbbbb sssssss

bbbbbbbb

bbbbbbbbbbbbbbb ccccccccccccccc