1: (1 5 7)

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

2: (4 8 6)

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

3: (3 16 7)

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

4: (0 10 2)

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