1: (0 3 15)

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

2: (2 19 5)

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

3: (3 17 12)

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

4: (13 18 16)

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