1: (3 10 12)

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

2: (9 14 11)

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

3: (5 15 12)

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

4: (1 7 4)

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