1: (9 11 20)

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

2: (3 6 20)

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

3: (1 8 4)

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

4: (5 19 7)

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