C1111233133313231133133313331333132313331323113121111331311211212331   >>    C111123313331323113313331333133313231333132311312111133131121121233   <<    C1111233133313231133133313331333132313331323113121111331311211212333   >>      C1111233133313231133133313331333132313331323113121111331311211212332   >>