1: (1 5 7)

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

2: (4 12 6)

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

3: (1 15 8)

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

4: (11 16 14)

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