1: (0 1 3)

(0)(1 20 17 8 3 6 4)(2 18 16)(5 15 13 11 7)(9 12 10)(14 21 19)

2: (3 6 8)

(0)(1 20 17 8 4)(2 18 16)(3)(5 15 13 11 7)(6)(9 12 10)(14 21 19)

3: (5 15 7)

(0)(1 20 17 8 4)(2 18 16)(3)(5)(6)(7 13 11)(9 12 10)(14 21 19)(15)

4: (1 8 4)

(0)(1)(2 18 16)(3)(4)(5)(6)(7 13 11)(8 20 17)(9 12 10)(14 21 19)(15)