C1111133313331323223313331333133313112331323331323133313232333132333121   >>    C111113331333132322331333133313331311233132333132313331323233313233312   <<    C1111133313331323223313331333133313112331323331323133313232333132333123   >>      C1111133313331323223313331333133313112331323331323133313232333132333122   >>