1: (5 10 13)

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

2: (4 10 6)

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

3: (8 14 11)

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

4: (6 19 13)

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