1: (5 12 18)

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

2: (0 15 6)

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

3: (9 16 14)

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

4: (8 12 10)

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