C111113331333132322331333133313331331121111121133133313331333223113231   >>    C11111333133313232233133313331333133112111112113313331333133322311323   <<    C111113331333132322331333133313331331121111121133133313331333223113233   >>      C111113331333132322331333133313331331121111121133133313331333223113232   >>