1: (0 1 6)

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

2: (4 6 20)

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

3: (2 10 5)

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

4: (1 16 6)

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