1: (3 5 7)

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

2: (5 9 13)

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

3: (8 17 10)

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

4: (1 6 4)

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