1: (5 10 20)

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

2: (1 11 9)

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

3: (0 19 2)

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

4: (6 16 20)

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