\[\boxed{\text{564\ (564).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[\textbf{а)}\ x_{32},x_{33},x_{34};\]
\[\textbf{б)}\ x_{n + 1},\ x_{n + 2},\ x_{n + 3},\ x_{n + 4},\ x_{n + 5};\]
\[\textbf{в)}\ x_{n - 3},\ x_{n - 2},\ x_{n - 1};\]
\[\textbf{г)}\ x_{n - 1},\ x_{n},\ x_{n + 1}.\]