1: (1 11 12)

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

2: (5 8 12)

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

3: (4 9 7)

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

4: (1 10 8)

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