1: (4 8 11)

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

2: (7 19 9)

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

3: (6 12 10)

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

4: (5 13 11)

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