1: (2 8 11)

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

2: (7 12 9)

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

3: (5 15 11)

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

4: (10 17 13)

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