3.
对于各项均为整数的数列\(\{a_{n}\}\),如果满足\(a_{m}+m(m=1,2,3,…)\)为完全平方数,则称数列\(\{a_{n}\}\)具有“\(M\)性质”;不论数列\(\{a_{n}\}\)是否具有“\(M\)性质”,如果存在与\(\{a_{n}\}\)不是同一数列的\(\{b_{n}\}\),且\(\{b_{n}\}\)同时满足下面两个条件:\(①b_{1}\),\(b_{2}\),\(b_{3}\),\(…\),\(b_{n}\)是\(a_{1}\),\(a_{2}\),\(a_{3}\),\(…\),\(a_{n}\)的一个排列;\(②\)数列\(\{b_{n}\}\)具有“\(M\)性质”,则称数列\(\{a_{n}\}\)具有“变换\(M\)性质”.
\((\)Ⅰ\()\)设数列\(\{a_{n}\}\)的前\(n\)项和\(S_{n}= \dfrac {n}{3}(n^{2}-1)\),证明数列\(\{a_{n}\}\)具有“\(M\)性质”;
\((\)Ⅱ\()\)试判断数列\(1\),\(2\),\(3\),\(4\),\(5\)和数列\(1\),\(2\),\(3\),\(…\),\(11\)是否具有“变换\(M\)性质”,具有此性质的数列请写出相应的数列\(\{b_{n}\}\),不具此性质的说明理由;
\((\)Ⅲ\()\)对于有限项数列\(A\):\(1\),\(2\),\(3\),\(…\),\(n\),某人已经验证当\(n∈[12,m^{2}](m\geqslant 5)\)时,数列\(A\)具有“变换\(M\)性质”,试证明:当\(n∈[m^{2}+1,(m+1)^{2}]\)时,数列\(A\)也具有“变换\(M\)性质”.