C22212323232133313113313331333133313231323133313332233122323113312321   >>    C2221232323213331311331333133313331323132313331333223312232311331232   <<    C22212323232133313113313331333133313231323133313332233122323113312323   >>      C22212323232133313113313331333133313231323133313332233122323113312322   >>