1: (1 8 11)

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

2: (4 12 10)

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

3: (2 9 6)

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

4: (1 17 7)

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