1: (5 10 11)

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

2: (2 5 8)

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

3: (0 6 3)

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

4: (4 12 7)

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