1: (5 8 13)

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

2: (5 14 12)

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

3: (4 9 6)

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

4: (8 14 10)

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