C222123232321333131133133313331323133313231333133312131323232133213121   >>    C22212323232133313113313331333132313331323133313331213132323213321312   <<    C222123232321333131133133313331323133313231333133312131323232133213123   >>      C222123232321333131133133313331323133313231333133312131323232133213122   >>