C111112111133131121133133313331323133313221131211113313331313213231   >>    C11111211113313112113313331333132313331322113121111331333131321323   <<    C111112111133131121133133313331323133313221131211113313331313213233   >>      C111112111133131121133133313331323133313221131211113313331313213232   >>