1: (0 4 12)

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

2: (4 14 19)

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

3: (1 20 17)

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

4: (6 16 13)

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