1: (4 6 13)

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

2: (1 9 5)

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

3: (4 6 13)

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

4: (3 14 12)

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