1: (1 4 10)

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

2: (3 20 5)

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

3: (0 15 2)

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

4: (4 18 6)

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