C1111133313331323223313331333133313113313231331121133131121133112131121   >>    C111113331333132322331333133313331311331323133112113313112113311213112   <<    C1111133313331323223313331333133313113313231331121133131121133112131123   >>      C1111133313331323223313331333133313113313231331121133131121133112131122   >>