C13332313311211113313331333133313331322331333133313121111331211   >>    C1333231331121111331333133313331333132233133313331312111133121   <<    C13332313311211113313331333133313331322331333133313121111331213   >>      C13332313311211113313331333133313331322331333133313121111331212   >>