1: (0 2 5)

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

2: (1 6 4)

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

3: (2 15 17)

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

4: (14 18 16)

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