C11111211113313112113313331333132313331322113121111331311331333132321233131   >>    C1111121111331311211331333133313231333132211312111133131133133313232123313   <<    C11111211113313112113313331333132313331322113121111331311331333132321233133   >>      C11111211113313112113313331333132313331322113121111331311331333132321233132   >>