1: (0 3 6)

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

2: (1 7 4)

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

3: (3 14 16)

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

4: (12 19 15)

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