C22212323232133313113313331333133313231323133313332233122323111112123131   >>    C2221232323213331311331333133313331323132313331333223312232311111212313   <<    C22212323232133313113313331333133313231323133313332233122323111112123133   >>      C22212323232133313113313331333133313231323133313332233122323111112123132   >>