1: (0 3 7)

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

2: (2 9 6)

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

3: (3 15 17)

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

4: (14 18 16)

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