1: (3 6 13)

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

2: (1 8 5)

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

3: (3 6 13)

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

4: (4 14 12)

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