1: (5 13 15)

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

2: (12 19 14)

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

3: (4 15 10)

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

4: (6 20 18)

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