C222123232321333131133133313331323133313231333133312131323312311233121   >>    C22212323232133313113313331333132313331323133313331213132331231123312   <<    C222123232321333131133133313331323133313231333133312131323312311233123   >>      C222123232321333131133133313331323133313231333133312131323312311233122   >>