1: (3 6 12)

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

2: (1 9 4)

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

3: (3 6 12)

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

4: (8 14 10)

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