Labdata 037 (new) Palette 4 Map has the 3_ prefix
Floor: 16 (10) Labdata header: 01 90 00 04 05 06 11 10
01 (65): Stone wall (gfx 106) 02 (66): Crystal wall (gfx 174) 03 (67): Crystal door (gfx 175) 04 (68): Stone wall with face (gfx 106 + overlay 98 (64x45) at 32,12)
01 (01): Large Crystal (gfx 227, 32x84) 02 (02): Ice flame (gfx 377, 8 frames, each 16x36) 03 (03): Torch (gfx 17, 16x32) 04 (04): Underwater stones (gfx 378, 48x28) 05 (05): Chest
01 (01): Large Crystal 02 (02): Ice torch top wall 03 (03): Ice torch bottom wall 04 (04): Ice torch left wall 05 (05): Ice torch right wall 06 (06): Underwater stones (for exit) 07 (07): Chest