C1111133313331323223313331333133313331333131211113313331322331333131233331   >>    C111113331333132322331333133313331333133313121111331333132233133313123333   <<    C1111133313331323223313331333133313331333131211113313331322331333131233333   >>      C1111133313331323223313331333133313331333131211113313331322331333131233332   >>