C222123232321333131133133313331323133313231333133312131323231312312321   >>    C22212323232133313113313331333132313331323133313331213132323131231232   <<    C222123232321333131133133313331323133313231333133312131323231312312323   >>      C222123232321333131133133313331323133313231333133312131323231312312322   >>