1: (0 2 15)

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

2: (1 20 4)

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

3: (17 18 19)

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

4: (14 21 18)

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