C1111233133313231133133313331333133313231323112331333132233313112111   >>    C111123313331323113313331333133313331323132311233133313223331311211   <<    C1111233133313231133133313331333133313231323112331333132233313112113   >>      C1111233133313231133133313331333133313231323112331333132233313112112   >>