1: (1 7 11)

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

2: (4 20 10)

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

3: (1 8 17)

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

4: (0 6 2)

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