diff --git a/lib/comp.c b/lib/comp.c
index b3e1bae..1f38287 100644
--- a/lib/comp.c
+++ b/lib/comp.c
@@ -2032,22 +2032,23 @@ static HCL_INLINE int compile_class_p1 (hcl_t* hcl)
 	/* collect information about declared variables */
 	hcl_cframe_t* cf;
 	hcl_cnode_t* obj;
-	hcl_oow_t nivars, ncvars, saved_tv_wcount, tv_dup_check_start, cv_dup_check_start;
+	hcl_oow_t nivars, ncvars, saved_tv_wcount, tv_dup_check_start;
+	hcl_oow_t ivar_start, ivar_len, cvar_start, cvar_len;
 
 	cf = GET_TOP_CFRAME(hcl);
 	obj = cf->operand;
 
 	saved_tv_wcount = hcl->c->tv.wcount;
 	tv_dup_check_start = hcl->c->tv.s.len;
-
-cv_dup_check_start = hcl->c->tv.s.len; // this is buggy... correct this...
+	ivar_start = cvar_start = tv_dup_check_start;
+	ivar_len = cvar_len = 0;
 	nivars = ncvars = 0;
 
 	/* use the temporary variable collection buffer for convenience when scanning 
 	 * instance variables and class variables */
 	while (obj && HCL_CNODE_IS_CONS(obj))
 	{
-		hcl_cnode_t* tmp, * tmp2;
+		hcl_cnode_t* tmp;
 		hcl_oow_t dclcount;
 /*
  (defclass X ::: T
@@ -2060,10 +2061,12 @@ cv_dup_check_start = hcl->c->tv.s.len; // this is buggy... correct this...
     ::: | a b c | ; class variables
  )
 */
-		tmp2 = obj;
 		tmp = HCL_CNODE_CONS_CAR(obj);
 		if (HCL_CNODE_IS_TRPCOLONS(tmp)) 
 		{
+			/* class variables */
+			hcl_oow_t checkpoint;
+
 			obj = HCL_CNODE_CONS_CDR(obj);
 			if (!obj || !HCL_CNODE_IS_CONS(obj))
 			{
@@ -2078,27 +2081,49 @@ cv_dup_check_start = hcl->c->tv.s.len; // this is buggy... correct this...
 				return -1;
 			}
 
+			checkpoint = hcl->c->tv.s.len;
 			if (collect_vardcl(hcl, obj, &obj, tv_dup_check_start, &dclcount, "class") <= -1) return -1;
 			ncvars += dclcount;
+			if (cvar_len <= 0) cvar_start = checkpoint;
+			cvar_len += hcl->c->tv.s.len - checkpoint;
 		}
 		else
 		{
+			/* instance variables */
+			hcl_oow_t checkpoint;
 			if (!HCL_CNODE_IS_CONS_CONCODED(tmp, HCL_CONCODE_VLIST)) break;
+			checkpoint = hcl->c->tv.s.len;
 			if (collect_vardcl(hcl, obj, &obj, tv_dup_check_start, &dclcount, "instance") <= -1) return -1;
 			nivars += dclcount;
+
+			if (ivar_len <= 0) ivar_start = checkpoint;
+			ivar_len += hcl->c->tv.s.len - checkpoint;
+
+			if (cvar_len > 0)
+			{
+				hcl_rotate_oochars (&hcl->c->tv.s.ptr[cvar_start], hcl->c->tv.s.len - cvar_start, -1, cvar_len); 
+				ivar_start = cvar_start;
+				cvar_start += hcl->c->tv.s.len - checkpoint;
+			}
 		}
 	}
 
+//HCL_DEBUG4 (hcl, "AAAAAAAAAAAAAAAAAAAAAAA>>>> [%.*js]  [%.*js]\n", ivar_len, &hcl->c->tv.s.ptr[ivar_start], cvar_len, &hcl->c->tv.s.ptr[cvar_start]);
+
 	if (nivars > 0)
 	{
 		hcl_oop_t tmp;
+		int adj;
+
 		if (nivars > HCL_SMOOI_MAX)
 		{
 			hcl_setsynerrbfmt (hcl, HCL_SYNERR_VARFLOOD, HCL_CNODE_GET_LOC(cf->operand), HCL_NULL, "too many(%zu) instance variables", nivars);
 			goto oops;
 		}
+
 		/* set starting point past the added space (+1 to index, -1 to length) */
-		tmp = hcl_makestring(hcl, &hcl->c->tv.s.ptr[tv_dup_check_start + 1], hcl->c->tv.s.len - tv_dup_check_start - 1, 0); 
+		adj = (hcl->c->tv.s.ptr[ivar_start] == ' ');
+		tmp = hcl_makestring(hcl, &hcl->c->tv.s.ptr[ivar_start + adj], ivar_len - adj, 0); 
 		if (HCL_UNLIKELY(!tmp)) goto oops;
 		if (emit_push_literal(hcl, tmp, &cf->u._class.start_loc) <= -1) goto oops;
 	}
@@ -2106,6 +2131,8 @@ cv_dup_check_start = hcl->c->tv.s.len; // this is buggy... correct this...
 	if (ncvars > 0)
 	{
 		hcl_oop_t tmp;
+		int adj;
+
 		if (ncvars > HCL_SMOOI_MAX)
 		{
 			/* TOOD: change the error location ?? */
@@ -2113,14 +2140,13 @@ cv_dup_check_start = hcl->c->tv.s.len; // this is buggy... correct this...
 			goto oops;
 		}
 
-		tmp = hcl_makestring(hcl, &hcl->c->tv.s.ptr[cv_dup_check_start + 1], hcl->c->tv.s.len - cv_dup_check_start - 1, 0);
+		adj = (hcl->c->tv.s.ptr[cvar_start] == ' ');
+		tmp = hcl_makestring(hcl, &hcl->c->tv.s.ptr[cvar_start + adj], cvar_len - adj, 0);
 		if (HCL_UNLIKELY(!tmp)) goto oops;
 		if (emit_push_literal(hcl, tmp, &cf->u._class.start_loc) <= -1) goto oops;
 	}
 
-	if (push_clsblk(hcl, &cf->u._class.start_loc, nivars, ncvars, 
-		&hcl->c->tv.s.ptr[tv_dup_check_start + 1], 0, /* TODO: wrong length.... */
-		&hcl->c->tv.s.ptr[cv_dup_check_start + 1], hcl->c->tv.s.len - cv_dup_check_start - 1) <= -1) goto oops;
+	if (push_clsblk(hcl, &cf->u._class.start_loc, nivars, ncvars, &hcl->c->tv.s.ptr[ivar_start], ivar_len, &hcl->c->tv.s.ptr[cvar_start], cvar_len) <= -1) goto oops;
 
 	/* discard the instance variables and class variables in the temporary variable collection buffer
 	 * because they have been pushed to the class block structure */
@@ -2139,7 +2165,6 @@ cv_dup_check_start = hcl->c->tv.s.len; // this is buggy... correct this...
 	hcl->c->clsblk.info[hcl->c->clsblk.depth].class_start_inst_pos = hcl->code.bc.len;
 
 	SWITCH_TOP_CFRAME (hcl, COP_COMPILE_OBJECT_LIST, obj);
-
 	return 0;
 
 oops:
diff --git a/lib/hcl-utl.h b/lib/hcl-utl.h
index 22a0413..51bbc1e 100644
--- a/lib/hcl-utl.h
+++ b/lib/hcl-utl.h
@@ -548,6 +548,20 @@ HCL_EXPORT hcl_bch_t* hcl_find_bchar_in_bcstr (
 	hcl_bch_t        c
 );
 
+HCL_EXPORT hcl_oow_t hcl_rotate_uchars (
+	hcl_uch_t*       str,
+	hcl_oow_t        len,
+	int              dir,
+	hcl_oow_t        n
+);
+
+HCL_EXPORT hcl_oow_t hcl_rotate_bchars (
+	hcl_bch_t*       str,
+	hcl_oow_t        len,
+	int              dir,
+	hcl_oow_t        n
+);
+
 HCL_EXPORT hcl_oow_t hcl_count_ucstr (
 	const hcl_uch_t* str
 );
@@ -576,11 +590,12 @@ HCL_EXPORT hcl_oow_t hcl_count_bcstr (
 #	define hcl_copy_oocstr(dst,len,src) hcl_copy_ucstr(dst,len,src)
 #	define hcl_copy_oocstr_unlimited(dst,src) hcl_copy_ucstr_unlimited(dst,src)
 
-#	define hcl_fill_oochars(dst,ch,len) hcl_fill_uchars(dst,ch,len)
-#	define hcl_find_oochar(ptr,len,c) hcl_find_uchar(ptr,len,c)
-#	define hcl_rfind_oochar(ptr,len,c) hcl_rfind_uchar(ptr,len,c)
-#	define hcl_find_oochar_in_oocstr(ptr,c) hcl_find_uchar_in_ucstr(ptr,c)
-#	define hcl_count_oocstr(str) hcl_count_ucstr(str)
+#	define hcl_fill_oochars hcl_fill_uchars
+#	define hcl_find_oochar hcl_find_uchar
+#	define hcl_rfind_oochar hcl_rfind_uchar
+#	define hcl_find_oochar_in_oocstr hcl_find_uchar_in_ucstr
+#	define hcl_rotate_oochars hcl_rotate_uchars
+#	define hcl_count_oocstr hcl_count_ucstr
 #else
 #	define hcl_equal_oochars(str1,str2,len) hcl_equal_bchars(str1,str2,len)
 #	define hcl_comp_oochars(str1,len1,str2,len2) hcl_comp_bchars(str1,len1,str2,len2)
@@ -601,11 +616,12 @@ HCL_EXPORT hcl_oow_t hcl_count_bcstr (
 #	define hcl_copy_oocstr(dst,len,src) hcl_copy_bcstr(dst,len,src)
 #	define hcl_copy_oocstr_unlimited(dst,src) hcl_copy_bcstr_unlimited(dst,src)
 
-#	define hcl_fill_oochars(dst,ch,len) hcl_fill_bchars(dst,ch,len)
-#	define hcl_find_oochar(ptr,len,c) hcl_find_bchar(ptr,len,c)
-#	define hcl_rfind_oochar(ptr,len,c) hcl_rfind_bchar(ptr,len,c)
-#	define hcl_find_oochar_in_oocstr(ptr,c) hcl_find_bchar_in_bcstr(ptr,c)
-#	define hcl_count_oocstr(str) hcl_count_bcstr(str)
+#	define hcl_fill_oochars hcl_fill_bchars
+#	define hcl_find_oochar hcl_find_bchar
+#	define hcl_rfind_oochar hcl_rfind_bchar
+#	define hcl_find_oochar_in_oocstr hcl_find_bchar_in_bcstr
+#	define hcl_rotate_oochars hcl_rotate_bchars
+#	define hcl_count_oocstr hcl_count_bcstr
 #endif
 
 #define HCL_BYTE_TO_BCSTR_RADIXMASK (0xFF)
diff --git a/lib/utl.c b/lib/utl.c
index e26e575..7a2ef75 100644
--- a/lib/utl.c
+++ b/lib/utl.c
@@ -418,6 +418,76 @@ hcl_bch_t* hcl_find_bchar_in_bcstr (const hcl_bch_t* ptr, hcl_bch_t c)
 
 /* ----------------------------------------------------------------------- */
 
+hcl_oow_t hcl_rotate_uchars (hcl_uch_t* str, hcl_oow_t len, int dir, hcl_oow_t n)
+{
+	hcl_oow_t first, last, count, index, nk;
+	hcl_uch_t c;
+
+	if (dir == 0 || len == 0) return len;
+	if ((n %= len) == 0) return len;
+
+	if (dir > 0) n = len - n;
+	first = 0; nk = len - n; count = 0;
+
+	while (count < n)
+	{
+		last = first + nk;
+		index = first;
+		c = str[first];
+		do
+		{
+			count++;
+			while (index < nk)
+			{
+				str[index] = str[index + n];
+				index += n;
+			}
+			if (index == last) break;
+			str[index] = str[index - nk];
+			index -= nk;
+		}
+		while (1);
+		str[last] = c; first++;
+	}
+	return len;
+}
+
+hcl_oow_t hcl_rotate_bchars (hcl_bch_t* str, hcl_oow_t len, int dir, hcl_oow_t n)
+{
+	hcl_oow_t first, last, count, index, nk;
+	hcl_bch_t c;
+
+	if (dir == 0 || len == 0) return len;
+	if ((n %= len) == 0) return len;
+
+	if (dir > 0) n = len - n;
+	first = 0; nk = len - n; count = 0;
+
+	while (count < n)
+	{
+		last = first + nk;
+		index = first;
+		c = str[first];
+		do
+		{
+			count++;
+			while (index < nk)
+			{
+				str[index] = str[index + n];
+				index += n;
+			}
+			if (index == last) break;
+			str[index] = str[index - nk];
+			index -= nk;
+		}
+		while (1);
+		str[last] = c; first++;
+	}
+	return len;
+}
+
+/* ----------------------------------------------------------------------- */
+
 hcl_oow_t hcl_byte_to_bcstr (hcl_uint8_t byte, hcl_bch_t* buf, hcl_oow_t size, int flagged_radix, hcl_bch_t fill)
 {
 	hcl_bch_t tmp[(HCL_SIZEOF(hcl_uint8_t) * HCL_BITS_PER_BYTE)];