1: (5 11 14)

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

2: (4 13 6)

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

3: (10 17 12)

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

4: (7 11 15)

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