1: (9 11 12)

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

2: (1 4 11)

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

3: (3 19 5)

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

4: (4 12 6)

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