1: (0 3 7)

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

2: (5 7 10)

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

3: (6 13 8)

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

4: (2 20 4)

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