1: (0 1 6)

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

2: (4 6 20)

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

3: (3 10 5)

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

4: (2 16 7)

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