1: (0 15 16)

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

2: (3 17 15)

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

3: (2 20 4)

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

4: (1 19 13)

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