1: (0 2 12)

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

2: (1 20 9)

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

3: (8 16 11)

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

4: (10 12 21)

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