1: (5 16 20)

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

2: (1 18 20)

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

3: (0 7 2)

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

4: (4 8 6)

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