stepNum:5
npcNum:3

npc0:100,墨离,8,16,1,5,4,11
npc1:102,公孙鞅,10,16,1,5,4,14
npc2:101,孙梦,9,16,1,3,4,12

init:addNpc&0,addNpc&1,addNpc&2,winX&0,winY&0
step1:walk&5&8&6&0
step2:surface&0,walk&10&3&6&1
step3:surface&1,walk&8&16&6&0
step4:surface&2,walk&10&16&6&1
step5:talk&0
exit:map&4
num0:1
00:0,0,【提示：再找周一夫问问吧】,8