C111112111133131121133133313331333133313331322121111331333133313331322331211321   >>    C11111211113313112113313331333133313331333132212111133133313331333132233121132   <<    C111112111133131121133133313331333133313331322121111331333133313331322331211323   >>      C111112111133131121133133313331333133313331322121111331333133313331322331211322   >>