1: (1 7 10)

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

2: (6 11 9)

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

3: (5 15 10)

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

4: (3 7 14)

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