C222123232321333131133133313331323133313231333133312131323231232213331   >>    C22212323232133313113313331333132313331323133313331213132323123221333   <<    C222123232321333131133133313331323133313231333133312131323231232213333   >>      C222123232321333131133133313331323133313231333133312131323231232213332   >>