C132233133112121111331333133313331312121111133313331333131133133313233213131   >>    C13223313311212111133133313331333131212111113331333133313113313331323321313   <<    C132233133112121111331333133313331312121111133313331333131133133313233213133   >>      C132233133112121111331333133313331312121111133313331333131133133313233213132   >>