C22212323232133313113313331333133313231323133313332233122323322221231   >>    C2221232323213331311331333133313331323132313331333223312232332222123   <<    C22212323232133313113313331333133313231323133313332233122323322221233   >>      C22212323232133313113313331333133313231323133313332233122323322221232   >>