C222123232321333131133133313331323133313231333133312131323233322311   >>    C22212323232133313113313331333132313331323133313331213132323332231   <<    C222123232321333131133133313331323133313231333133312131323233322313   >>      C222123232321333131133133313331323133313231333133312131323233322312   >>