1: (5 8 16)

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

2: (4 10 6)

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

3: (9 17 12)

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

4: (3 15 8)

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