1: (0 2 12)

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

2: (1 19 3)

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

3: (2 17 5)

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

4: (10 18 13)

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