C222123232321333131133133313331323133313231333133312131323313233313221   >>    C22212323232133313113313331333132313331323133313331213132331323331322   <<    C222123232321333131133133313331323133313231333133312131323313233313223   >>      C222123232321333131133133313331323133313231333133312131323313233313222   >>