C111113331333132322331333133313331331121111121133133313121111133221121   >>    C11111333133313232233133313331333133112111112113313331312111113322112   <<    C111113331333132322331333133313331331121111121133133313121111133221123   >>      C111113331333132322331333133313331331121111121133133313121111133221122   >>