1: (0 6 11)

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

2: (3 13 9)

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

3: (2 20 4)

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

4: (0 8 17)

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