1: (0 1 4)

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

2: (4 17 20)

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

3: (10 21 19)

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

4: (6 18 15)

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