C111113331333132322331333133313331331121111121133133323132323231   >>    C11111333133313232233133313331333133112111112113313332313232323   <<    C111113331333132322331333133313331331121111121133133323132323233   >>      C111113331333132322331333133313331331121111121133133323132323232   >>