1: (0 2 6)

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

2: (4 6 21)

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

3: (3 10 5)

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

4: (2 18 6)

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