1: (2 4 8)

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

2: (3 12 4)

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

3: (1 10 7)

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

4: (9 13 11)

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