1: (1 9 11)

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

2: (8 12 10)

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

3: (4 13 11)

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

4: (3 20 6)

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