1: (9 11 18)

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

2: (1 11 10)

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

3: (3 19 17)

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

4: (0 6 2)

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