1: (1 5 7)

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

2: (4 9 6)

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

3: (3 13 7)

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

4: (8 19 11)

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