Zombie Spawners - [(-1038, 69, 496), (-324, -18, 504), (-116, -39, -409), (-252, 11, -240), (946, -10, -402), (1277, 1, 828), (2516, 15, 750), (-1663, -12, 876), (-1822, 3, 2746), (-2913, -6, 2779), (-1241, 84, -2467)]
Skeleton Spawners - [(-2619, -2, 2019), (-913, 21, -323), (-2394, -19, -1289), (-1261, 79, -2487), (285, 57, -1458), (585, -2, -492), (1378, 49, 1059), (1833, 2, 1724), (2089, 22, 2410), (2855, 10, 2040), (2904, 2, 1540)]
Spider Spawners - [(-1254, 90, -2501), (2496, 11, 2455), (-1129, 21, 13), (-1541, -2, 421), (-1806, -22, 1133), (-744, -5, 1298), (-104, -7, 1120), (-406, -30, 1680), (-509, 35, 134), (121, 20, 939)]
Cave Spider Spawners - [(667, 11, 914), (1423, -9, 807), (1985, -7, 935), (2925, 17, 717), (2995, -7, 1707), (2875, -7, 2610), (2065, -2, 2892), (2171, -20, 1771), (-747, 16, 579), (-1659, 25, 1223)]
Creeper Spawners - [(-574, 51, -2523), (-1357, -24, 504), (-1532, 13, -69), (-1286, 28, -510), (-683, 12, -533), (75, -29, 522), (477, -38, 899), (-287, 31, -674), (243, 6, -740), (533, 32, 146)]
Nether Portal Ruins #1 (-1301, 135, 136)
Nether Portal Ruins #2 (-2501, 136, 841)
Nether Portal Ruins #3 (-615, 90, 2265)
Nether Portal Ruins #4 (3144, 169, 1445)