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| A_NUMBER | items |
|---|---|
| 1 | i1,i2,i3,i4,i5,i6 |
| 2 | j1,j2,j3,j4,j5,i6,i7,i8 |
| 3 | k1,k2,k3 |
| A_NUMBER | items | Srllno1 | Srllno2 | Srllno3 | Srllno4 |
|---|---|---|---|---|---|
| 1 | i1,i2,i3,i4,i5,i6 | null | null | null | null |
| 2 | j1,j2,j3,j4,j5,i6,i7,i8 | null | null | null | null |
| 3 | k1,k2,k3 | k3 | k2 | k1 | null |