1: (6 11 13)

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

2: (4 11 9)

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

3: (1 7 5)

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

4: (10 17 12)

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