1: (0 1 2)

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

2: (2 10 15)

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

3: (1 12 9)

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

4: (11 16 13)

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