1: (1 9 19)

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

2: (3 20 17)

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

3: (1 9 19)

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

4: (0 6 2)

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