C11111211113313112113313331333133313221333133313113313331322212231131   >>    C1111121111331311211331333133313331322133313331311331333132221223113   <<    C11111211113313112113313331333133313221333133313113313331322212231133   >>      C11111211113313112113313331333133313221333133313113313331322212231132   >>