C11112331333132311331333131333133313231331121111331323133313131122233131   >>    C1111233133313231133133313133313331323133112111133132313331313112223313   <<    C11112331333132311331333131333133313231331121111331323133313131122233133   >>      C11112331333132311331333131333133313231331121111331323133313131122233132   >>