C1111233133313231133133313331333133313231323112331333131122112313331   >>    C111123313331323113313331333133313331323132311233133313112211231333   <<    C1111233133313231133133313331333133313231323112331333131122112313333   >>      C1111233133313231133133313331333133313231323112331333131122112313332   >>