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