1: (0 2 5)

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

2: (1 20 3)

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

3: (6 8 19)

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

4: (4 13 7)

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