C132233133112121111331333133313331312121111133313331211113313331323112321212121   >>    C13223313311212111133133313331333131212111113331333121111331333132311232121212   <<    C132233133112121111331333133313331312121111133313331211113313331323112321212123   >>      C132233133112121111331333133313331312121111133313331211113313331323112321212122   >>