1: (0 3 10)

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

2: (2 14 4)

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

3: (3 12 5)

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

4: (9 16 13)

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