C22212323232133313113313331333133313231323133313332311333131233221   >>    C2221232323213331311331333133313331323132313331333231133313123322   <<    C22212323232133313113313331333133313231323133313332311333131233223   >>      C22212323232133313113313331333133313231323133313332311333131233222   >>