1: (1 5 8)

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

2: (4 11 7)

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

3: (3 13 8)

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

4: (10 16 12)

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