C11111211113313112113313331313331323133313331333133313232233132231   >>    C1111121111331311211331333131333132313331333133313331323223313223   <<    C11111211113313112113313331313331323133313331333133313232233132233   >>      C11111211113313112113313331313331323133313331333133313232233132232   >>