1: (2 15 20)

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

2: (4 7 20)

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

3: (0 19 3)

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

4: (1 9 5)

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