1: (0 2 14)

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

2: (1 19 4)

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

3: (2 17 7)

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

4: (12 18 15)

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