1: (0 1 4)

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

2: (4 17 20)

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

3: (15 21 19)

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

4: (1 20 10)

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