1: (1 8 11)

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

2: (4 12 10)

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

3: (1 9 7)

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

4: (3 13 11)

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