Morphos: Fix typo

Author: Perlkonig

src/games/morphos.ts

@@ -825,7 +825,7 @@ export class MorphosGame extends GameBase {
                 } else {
                     pieces.push("-");
                     const occ = g.neighbours(cell).filter(c => this.board.has(c));
-                    if (occ.length > 2) {
+                    if (occ.length >= 2) {
                         const cloned = this.clone();
                         for (const p of [1,2] as const) {
                             cloned.board.set(cell, p);