1: (0 5 8)

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

2: (3 9 6)

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

3: (5 15 18)

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

4: (14 19 16)

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