1: (6 13 15)

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

2: (5 6 7)

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

3: (10 16 14)

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

4: (4 11 9)

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