C111112111133131121133133313331323133313221323331333132322133313231311   >>    C11111211113313112113313331333132313331322132333133313232213331323131   <<    C111112111133131121133133313331323133313221323331333132322133313231313   >>      C111112111133131121133133313331323133313221323331333132322133313231312   >>