1: (0 4 8)

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

2: (4 12 16)

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

3: (2 19 14)

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

4: (12 17 15)

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