1Opt DEFINITIONS IMPLICIT TAGS ::= 2 3BEGIN 4 5Opt1 ::= SEQUENCE 6{ 7 bool0 [0] BOOLEAN, 8 bool1 [1] BOOLEAN OPTIONAL, 9 bool2 [2] BOOLEAN OPTIONAL, 10 bool3 [3] BOOLEAN OPTIONAL 11} 12 13 14Opt2 ::= SEQUENCE 15{ 16 bool10 [10] BOOLEAN, 17 bool11 [11] BOOLEAN OPTIONAL, 18 bool12 [12] BOOLEAN OPTIONAL, 19 bool13 [13] BOOLEAN 20} 21 22 23Opt3 ::= SEQUENCE 24{ 25 bool30 [30] BOOLEAN OPTIONAL, 26 bool31 [31] BOOLEAN OPTIONAL, 27 bool32 [32] BOOLEAN OPTIONAL, 28 bool33 [33] BOOLEAN OPTIONAL 29} 30 31END 32