1: (3 7 20)

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

2: (1 10 6)

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

3: (0 19 2)

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

4: (4 16 20)

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