1: (4 15 18)

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

2: (0 17 9)

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

3: (14 20 16)

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

4: (11 15 19)

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