1: (0 2 12)

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

2: (1 19 3)

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

3: (2 15 5)

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

4: (10 18 14)

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