1: (0 1 7)

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

2: (4 7 20)

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

3: (2 8 5)

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

4: (1 17 7)

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