1: (0 6 16)

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

2: (5 17 12)

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

3: (3 8 16)

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

4: (10 17 15)

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