diff --git a/classes.cpp b/classes.cpp
index 2229eab2..90a1fd98 100644
--- a/classes.cpp
+++ b/classes.cpp
@@ -1767,12 +1767,14 @@ vector<geometryinfo> ginf = {
   {"{12,3}","M4",       "Schmutz's M(4)",                             "M4",      12, 3, qsSMALL,   gcHyperbolic, 0x20600, {{4, 2}}, eVariation::bitruncated},
   {"{6,4}", "Crystal",  "dimensional crystal",                        "Crystal",  6, 4, qANYQ,     gcHyperbolic, 0x28000, {{5, 3}}, eVariation::pure},
   {"{3,4}", "none",     "{3,4} (octahedron)",                         "4x3",      3, 4, qsSMALLB,  gcSphere,     0x28200, {{SEE_ALL, SEE_ALL}}, eVariation::bitruncated},
-  {"bin3",  "none",     "3D binary tiling",                           "binary3",  9, 4, 0,         gcHyperbolic,       0, {{7, 3}}, eVariation::pure},
-  {"cube",  "none",     "3D cube tiling",                             "cube",     6, 4, 0,         gcEuclid,           0, {{7, 5}}, eVariation::pure},
-  {"120c",  "none",     "120-cell",                                   "120c",    12, 4, qsSMALLB,  gcSphere,           0, {{SEE_ALL, SEE_ALL}}, eVariation::pure},
-  {"e120c", "elliptic", "120-cell (elliptic space)",                  "e120c",   12, 4, qsSMALLBE, gcSphere,           0, {{SEE_ALL, SEE_ALL}}, eVariation::pure},
+  {"bin3",  "none",     "3D binary tiling",                           "binary3",  9, 4, 0,         gcHyperbolic, 0x30000, {{7, 3}}, eVariation::pure},
+  {"cube",  "none",     "3D cube tiling",                             "cube",     6, 4, 0,         gcEuclid,     0x30200, {{7, 5}}, eVariation::pure},
+  {"120c",  "none",     "120-cell",                                   "120c",    12, 4, qsSMALLB,  gcSphere,     0x30400, {{SEE_ALL, SEE_ALL}}, eVariation::pure},
+  {"e120c", "elliptic", "120-cell (elliptic space)",                  "e120c",   12, 4, qsSMALLBE, gcSphere,     0x30600, {{SEE_ALL, SEE_ALL}}, eVariation::pure},
   };
 
+  // bits: 9, 10, 15, 16, (reserved for later) 17, 18
+
 // remember to match the following mask when specifying codes for extra geometries: 0x78600
 // (other bits are used for other information)