1: (0 1 6)

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

2: (3 6 20)

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

3: (2 10 5)

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

4: (1 16 6)

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