C23221211113313331233133313331312111133133313331333133313331333132311312121   >>    C2322121111331333123313331333131211113313331333133313331333133313231131212   <<    C23221211113313331233133313331312111133133313331333133313331333132311312123   >>      C23221211113313331233133313331312111133133313331333133313331333132311312122   >>