C22212323232133313113313331333132313331323331123231323323231121323321   >>    C2221232323213331311331333133313231333132333112323132332323112132332   <<    C22212323232133313113313331333132313331323331123231323323231121323323   >>      C22212323232133313113313331333132313331323331123231323323231121323322   >>