1: (0 1 7)

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

2: (3 7 20)

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

3: (2 8 4)

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

4: (1 15 7)

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