1: (0 2 12)

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

2: (1 19 4)

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

3: (2 15 9)

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

4: (11 17 13)

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