1: (2 8 10)

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

2: (5 11 9)

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

3: (2 8 10)

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

4: (1 6 4)

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