hello this is very awsome seed with to large islands. I was spwan on island with 2 biome . Try to go X -44 y 63 zz 314 you will found mineshaft . You will found 2 ways turn left and will found 2 ways again turn lert. you will see zombie spwaner with 2 chest and behind spwaner it has chest too. At the north of island you will found spider spwaner with 2 chests and at the west of island you will see few islands and land not island . And try to find plains biome look close you will found small NPC village.