C111123313121111121111331333133313331323132333133313331322331333232233231   >>    C11112331312111112111133133313331333132313233313331333132233133323223323   <<    C111123313121111121111331333133313331323132333133313331322331333232233233   >>      C111123313121111121111331333133313331323132333133313331322331333232233232   >>