1: (1 5 11)

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

2: (1 12 9)

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

3: (0 7 2)

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

4: (6 14 8)

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