1: (0 4 10)

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

2: (3 17 5)

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

3: (2 19 16)

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

4: (10 15 18)

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