1: (1 4 13)

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

2: (0 10 2)

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

3: (9 14 12)

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

4: (1 17 3)

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