1: (0 3 12)

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

2: (2 18 9)

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

3: (1 20 17)

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

4: (6 12 21)

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