C11112331333132311331333133313331333132313233313231331122113231   >>    C1111233133313231133133313331333133313231323331323133112211323   <<    C11112331333132311331333133313331333132313233313231331122113233   >>      C11112331333132311331333133313331333132313233313231331122113232   >>