1: (1 4 10)

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

2: (4 12 19)

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

3: (0 17 2)

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

4: (5 13 11)

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