1: (4 7 16)

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

2: (5 17 15)

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

3: (1 8 6)

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

4: (2 16 11)

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