1: (0 2 9)

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

2: (4 13 15)

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

3: (12 16 14)

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

4: (11 18 15)

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