C1111133313331323223313331333133313331323133313331311331333132233131121   >>    C111113331333132322331333133313331333132313331333131133133313223313112   <<    C1111133313331323223313331333133313331323133313331311331333132233131123   >>      C1111133313331323223313331333133313331323133313331311331333132233131122   >>