C11112331333132311331333133313331323133313231131211113313113313232321323131   >>    C1111233133313231133133313331333132313331323113121111331311331323232132313   <<    C11112331333132311331333133313331323133313231131211113313113313232321323133   >>      C11112331333132311331333133313331323133313231131211113313113313232321323132   >>