1: (5 9 11)

(0 19 4)(1 8 6)(2 16 15)(3 11 7 13 9)(5)(10 17 12)(14 20 18)

2: (7 13 9)

(0 19 4)(1 8 6)(2 16 15)(3 11 7)(5)(9)(10 17 12)(13)(14 20 18)

3: (10 17 12)

(0 19 4)(1 8 6)(2 16 15)(3 11 7)(5)(9)(10)(12)(13)(14 20 18)(17)

4: (1 8 6)

(0 19 4)(1)(2 16 15)(3 11 7)(5)(6)(8)(9)(10)(12)(13)(14 20 18)(17)