1: (0 3 14)

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

2: (1 18 4)

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

3: (12 20 17)

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

4: (3 19 6)

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