1: (7 11 13)

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

2: (10 15 12)

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

3: (5 13 9)

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

4: (4 8 6)

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