C13332313311211113313331333133313331322331333133313121111331333132313231   >>    C1333231331121111331333133313331333132233133313331312111133133313231323   <<    C13332313311211113313331333133313331322331333133313121111331333132313233   >>      C13332313311211113313331333133313331322331333133313121111331333132313232   >>