1: (3 7 13)

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

2: (4 19 11)

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

3: (5 12 10)

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

4: (3 9 15)

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