1@custom0            rd rs1 imm12 14..12=0 6..2=0x02 1..0=3
2@custom0.rs1        rd rs1 imm12 14..12=2 6..2=0x02 1..0=3
3@custom0.rs1.rs2    rd rs1 imm12 14..12=3 6..2=0x02 1..0=3
4@custom0.rd         rd rs1 imm12 14..12=4 6..2=0x02 1..0=3
5@custom0.rd.rs1     rd rs1 imm12 14..12=6 6..2=0x02 1..0=3
6@custom0.rd.rs1.rs2 rd rs1 imm12 14..12=7 6..2=0x02 1..0=3
7
8@custom1            rd rs1 imm12 14..12=0 6..2=0x0A 1..0=3
9@custom1.rs1        rd rs1 imm12 14..12=2 6..2=0x0A 1..0=3
10@custom1.rs1.rs2    rd rs1 imm12 14..12=3 6..2=0x0A 1..0=3
11@custom1.rd         rd rs1 imm12 14..12=4 6..2=0x0A 1..0=3
12@custom1.rd.rs1     rd rs1 imm12 14..12=6 6..2=0x0A 1..0=3
13@custom1.rd.rs1.rs2 rd rs1 imm12 14..12=7 6..2=0x0A 1..0=3
14
15@custom2            rd rs1 imm12 14..12=0 6..2=0x16 1..0=3
16@custom2.rs1        rd rs1 imm12 14..12=2 6..2=0x16 1..0=3
17@custom2.rs1.rs2    rd rs1 imm12 14..12=3 6..2=0x16 1..0=3
18@custom2.rd         rd rs1 imm12 14..12=4 6..2=0x16 1..0=3
19@custom2.rd.rs1     rd rs1 imm12 14..12=6 6..2=0x16 1..0=3
20@custom2.rd.rs1.rs2 rd rs1 imm12 14..12=7 6..2=0x16 1..0=3
21
22@custom3            rd rs1 imm12 14..12=0 6..2=0x1E 1..0=3
23@custom3.rs1        rd rs1 imm12 14..12=2 6..2=0x1E 1..0=3
24@custom3.rs1.rs2    rd rs1 imm12 14..12=3 6..2=0x1E 1..0=3
25@custom3.rd         rd rs1 imm12 14..12=4 6..2=0x1E 1..0=3
26@custom3.rd.rs1     rd rs1 imm12 14..12=6 6..2=0x1E 1..0=3
27@custom3.rd.rs1.rs2 rd rs1 imm12 14..12=7 6..2=0x1E 1..0=3
28