1: (0 2 6)

(0)(1 17 2 7 6 20 4)(3 9 5)(8 12 10)(11 21 19 16 13)(14 18 15)

2: (4 6 20)

(0)(1 17 2 7 6)(3 9 5)(4)(8 12 10)(11 21 19 16 13)(14 18 15)(20)

3: (3 9 5)

(0)(1 17 2 7 6)(3)(4)(5)(8 12 10)(9)(11 21 19 16 13)(14 18 15)(20)

4: (1 17 6)

(0)(1)(2 7 6)(3)(4)(5)(8 12 10)(9)(11 21 19 16 13)(14 18 15)(17)(20)