1: (5 12 15)

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

2: (1 13 15)

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

3: (4 20 6)

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

4: (0 17 2)

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