C111112111133131121133133313331323133313221131211113313221132311   >>    C11111211113313112113313331333132313331322113121111331322113231   <<    C111112111133131121133133313331323133313221131211113313221132313   >>      C111112111133131121133133313331323133313221131211113313221132312   >>