| 1 | 32. R(((a[0..||a||-j ]) @ (a[||a||-j..||a|| ]) @ b),(a[0..||a||-j ]) @ (a[||a||-i..||a|| ]) @ b) 33. R(((a[0..||a||-j ]) @ (a[||a||-j..||a|| ]) @ c),(a[0..||a||-j ]) @ (a[||a||-i..||a|| ]) @ c) R((a @ b),((a[0..||a||-j ]) @ (a[||a||-i..||a|| ])) @ b)
& R((a @ c),((a[0..||a||-j ]) @ (a[||a||-i..||a|| ])) @ c) |