1: (0 2 7)

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

2: (4 7 21)

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

3: (3 9 5)

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

4: (2 17 7)

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