1: (2 9 12)

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

2: (8 14 10)

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

3: (4 15 12)

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

4: (3 19 6)

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