1: (3 10 15)

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

2: (2 11 4)

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

3: (10 20 12)

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

4: (1 16 14)

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