1: (4 10 13)

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

2: (12 13 15)

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

3: (3 14 5)

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

4: (1 11 9)

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