C23221211113313331233133313331312111133133313331333133313331333131121131212121   >>    C2322121111331333123313331333131211113313331333133313331333133313112113121212   <<    C23221211113313331233133313331312111133133313331333133313331333131121131212123   >>      C23221211113313331233133313331312111133133313331333133313331333131121131212122   >>