C222123232321333131133133313331323133313231333133312131323211231   >>    C22212323232133313113313331333132313331323133313331213132321123   <<    C222123232321333131133133313331323133313231333133312131323211233   >>      C222123232321333131133133313331323133313231333133312131323211232   >>