1: (2 8 11)

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

2: (7 13 9)

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

3: (10 18 12)

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

4: (6 17 11)

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