C111113331333132322331333133313331331121111121133133313121111113231323321   >>    C11111333133313232233133313331333133112111112113313331312111111323132332   <<    C111113331333132322331333133313331331121111121133133313121111113231323323   >>      C111113331333132322331333133313331331121111121133133313121111113231323322   >>