C222123232321333131133133313331323133313231333133312131323231132121213111   >>    C22212323232133313113313331333132313331323133313331213132323113212121311   <<    C222123232321333131133133313331323133313231333133312131323231132121213113   >>      C222123232321333131133133313331323133313231333133312131323231132121213112   >>