1: (4 10 13)

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

2: (3 12 5)

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

3: (9 14 11)

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

4: (2 13 8)

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