1: (3 6 13)

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

2: (1 8 4)

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

3: (3 6 13)

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

4: (5 9 7)

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