C111113331333132322331333133313331331121111121133131232313233121   >>    C11111333133313232233133313331333133112111112113313123231323312   <<    C111113331333132322331333133313331331121111121133131232313233123   >>      C111113331333132322331333133313331331121111121133131232313233122   >>