1: (5 10 11)

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

2: (8 17 10)

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

3: (4 13 6)

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

4: (3 9 7)

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