1: (3 8 11)

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

2: (7 16 9)

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

3: (1 12 10)

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

4: (6 18 11)

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