1: (6 10 19)

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

2: (1 10 9)

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

3: (4 16 7)

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

4: (3 12 8)

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