C1111133313331323223313331333133313231333133313331312323112113121   >>    C111113331333132322331333133313331323133313331333131232311211312   <<    C1111133313331323223313331333133313231333133313331312323112113123   >>      C1111133313331323223313331333133313231333133313331312323112113122   >>