1: (2 4 8)

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

2: (0 5 3)

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

3: (4 19 7)

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

4: (1 20 10)

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