{ sub0 -> sub2, sub0 -> sub15, sub1 -> sub8, sub2 -> sub0, sub2 -> sub15, sub3 -> sub13, sub6 -> sub1, sub6 -> sub6a, sub6 -> sub8, sub8 -> sub1, sub9 -> sub9a, sub9 -> sub7, sub11 -> sub0, sub11 -> sub2, sub11 -> sub12, sub11 -> sub15, sub12 -> sub0, sub12 -> sub2, sub12 -> sub11, sub12 -> sub15, sub13 -> sub3, sub14 -> sub3, sub14 -> sub13, sub14 -> sub14a, sub14 -> sub16, sub14 -> sub16a, sub15 -> sub0, sub15 -> sub2, sub16 -> sub3, sub16 -> sub13, sub16 -> sub14, sub16 -> sub14a, sub16 -> sub16a, sub18 -> sub18a, sub19 -> sub19a, sub19 -> sub17 }