1: (0 8 15)

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

2: (6 16 14)

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

3: (4 9 7)

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

4: (12 18 15)

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