1: (2 7 20)

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

2: (0 19 5)

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

3: (4 7 9)

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

4: (1 17 3)

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