1: (2 6 10)

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

2: (1 10 20)

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

3: (5 11 7)

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

4: (0 8 3)

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