c-- ccc ccf cck ccs cfc cff cfk cfs ckc cks csc csf csk css fcc fcf fck fcs ffc fff ffk ffs fkc fkf fkk fsc fsf fsk fss kcc kck kcs kfc kff kfs kkc kkk kks ksc ksf ksk kss scc scf sck scs sfc sff sfk sfs sk- skc skf skk sks ss- ssc ssf ssk sss

cccc cccf cccs ccfc ccff ccsf ccss cfcf cfcs ckck ckcs cscc cscf cscs csfc csks f--k fccf fcsc ffcc ffff ffss fscc fsck fssc fssf kccc kcck kcfc kckc kckf kckk kcsc kcsf kcss kfcf kfcs kfff kffk kfsk kkck kkcs kkfs kkkk kksf kkss ksck kscs ksfc kskf kskk ksks ksss sccc sccs scfc sck- scsc sfcc sfcs sffc sfss skfc skss sscc sscs ssfc sssc sssf ssss

ccccc sssss

sssssss

ccccccccccccccc