- /*-
- * set_prev is the previous set
- * set is the current set
- * set_next is the following
- * prev 1 1 1 1 1 1 1 1
- * set 1 1 2 2
- * next 1 1 2 2 2 2 3 2
- * so basically only if prev and next differ by 2, then
- * re-number down by 1
- */
+ /*-
+ * set_prev is the previous set
+ * set is the current set
+ * set_next is the following
+ * prev 1 1 1 1 1 1 1 1
+ * set 1 1 2 2
+ * next 1 1 2 2 2 2 3 2
+ * so basically only if prev and next differ by 2, then
+ * re-number down by 1
+ */