1: (1 5 16)

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

2: (0 6 4)

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

3: (5 19 7)

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

4: (15 20 17)

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