B33113313132313113313223313331323132322331323321323133313331323133311212131   >>    B3311331313231311331322331333132313232233132332132313331333132313331121213   <<    B33113313132313113313223313331323132322331323321323133313331323133311212133   >>      B33113313132313113313223313331323132322331323321323133313331323133311212132   >>