C222123232321333131133133313331323133313231333133312131323312133312321   >>    C22212323232133313113313331333132313331323133313331213132331213331232   <<    C222123232321333131133133313331323133313231333133312131323312133312323   >>      C222123232321333131133133313331323133313231333133312131323312133312322   >>