1: (4 7 13)

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

2: (2 11 5)

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

3: (10 15 12)

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

4: (4 9 16)

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