1: (0 2 13)

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

2: (1 19 4)

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

3: (2 15 7)

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

4: (12 16 14)

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