C3123121111331312121111331333133313331331121133133313331323232112323131   >>    C312312111133131212111133133313331333133112113313331333132323211232313   <<    C3123121111331312121111331333133313331331121133133313331323232112323133   >>      C3123121111331312121111331333133313331331121133133313331323232112323132   >>