1: (1 4 8)

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

2: (4 9 17)

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

3: (0 15 2)

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

4: (14 18 16)

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