C11111211113313112113313331333133313331333132313331333133313331323132112323231   >>    C1111121111331311211331333133313331333133313231333133313331333132313211232323   <<    C11111211113313112113313331333133313331333132313331333133313331323132112323233   >>      C11111211113313112113313331333133313331333132313331333133313331323132112323232   >>