C111112111133131121133133313331323133313221323331333132313233113321   >>    C11111211113313112113313331333132313331322132333133313231323311332   <<    C111112111133131121133133313331323133313221323331333132313233113323   >>      C111112111133131121133133313331323133313221323331333132313233113322   >>