extern short Store[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
extern short Store2[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
extern short StorePlayer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
+extern short Back[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
extern boolean Stop[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
extern short JustStopped[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
extern short AmoebaNr[MAX_LEV_FIELDX][MAX_LEV_FIELDY];