1: (4 11 18)

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

2: (2 16 6)

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

3: (8 17 15)

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

4: (7 11 9)

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