1: (5 8 13)

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

2: (4 9 6)

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

3: (3 11 8)

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

4: (10 15 12)

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