C1111133313331323223313331333133313113313231331121111133313113313331213121   >>    C111113331333132322331333133313331311331323133112111113331311331333121312   <<    C1111133313331323223313331333133313113313231331121111133313113313331213123   >>      C1111133313331323223313331333133313113313231331121111133313113313331213122   >>