C132233133112121111331333133313331312121111133313331333132213131131   >>    C13223313311212111133133313331333131212111113331333133313221313113   <<    C132233133112121111331333133313331312121111133313331333132213131133   >>      C132233133112121111331333133313331312121111133313331333132213131132   >>