C1111133313331323223313331333133313113313231331121111121111333211   >>    C111113331333132322331333133313331311331323133112111112111133321   <<    C1111133313331323223313331333133313113313231331121111121111333213   >>      C1111133313331323223313331333133313113313231331121111121111333212   >>