C222123232321333131133133313331323133313231333133312131323231322121331   >>    C22212323232133313113313331333132313331323133313331213132323132212133   <<    C222123232321333131133133313331323133313231333133312131323231322121333   >>      C222123232321333131133133313331323133313231333133312131323231322121332   >>