1: (0 2 6)

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

2: (4 6 21)

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

3: (3 10 5)

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

4: (1 18 7)

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