1: (0 2 7)

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

2: (5 7 21)

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

3: (4 8 6)

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

4: (2 15 7)

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