C111112111133131121133133313331323133313221131211113313232321333111   >>    C11111211113313112113313331333132313331322113121111331323232133311   <<    C111112111133131121133133313331323133313221131211113313232321333113   >>      C111112111133131121133133313331323133313221131211113313232321333112   >>