1: (1 4 10)

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

2: (4 12 19)

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

3: (0 17 2)

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

4: (7 13 11)

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