1: (2 5 12)

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

2: (1 6 4)

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

3: (5 15 7)

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

4: (10 17 14)

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