1: (1 8 19)

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

2: (1 4 6)

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

3: (0 17 2)

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

4: (5 16 7)

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