1: (1 6 8)

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

2: (5 10 7)

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

3: (4 16 8)

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

4: (9 17 15)

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