C111112111133131121133133313331323133313221323331333132313231333132213121   >>    C11111211113313112113313331333132313331322132333133313231323133313221312   <<    C111112111133131121133133313331323133313221323331333132313231333132213123   >>      C111112111133131121133133313331323133313221323331333132313231333132213122   >>