1: (0 3 13)

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

2: (1 19 9)

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

3: (2 12 4)

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

4: (13 17 18)

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