C11112331333132311331333133313331323133313231131211113313232332333133312231   >>    C1111233133313231133133313331333132313331323113121111331323233233313331223   <<    C11112331333132311331333133313331323133313231131211113313232332333133312233   >>      C11112331333132311331333133313331323133313231131211113313232332333133312232   >>