C111112111133131121133133313331333133313331211312111111331333232132233131321   >>    C11111211113313112113313331333133313331333121131211111133133323213223313132   <<    C111112111133131121133133313331333133313331211312111111331333232132233131323   >>      C111112111133131121133133313331333133313331211312111111331333232132233131322   >>