1: (3 15 20)

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

2: (0 19 9)

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

3: (2 14 3)

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

4: (1 17 5)

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