C132233133112121111331333133313331333132331213331333133313312121   >>    C13223313311212111133133313331333133313233121333133313331331212   <<    C132233133112121111331333133313331333132331213331333133313312123   >>      C132233133112121111331333133313331333132331213331333133313312122   >>