1globals: [[@2,4:4='i',<4>,1:4], [@7,11:11='j',<4>,2:4]]
2level 2 symbols: [[@37,66:66='j',<4>,8:8], [@42,77:77='k',<4>,9:8]]
3level 1 symbols: [[@20,35:35='i',<4>,4:6], [@25,44:44='k',<4>,5:6]]
4