1: (2 12 20)

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

2: (0 19 5)

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

3: (1 17 3)

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

4: (2 13 4)

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