1: (4 8 12)

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

2: (6 14 9)

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

3: (2 7 5)

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

4: (8 20 11)

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