1: (1 3 16)

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

2: (0 4 2)

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

3: (3 18 6)

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

4: (5 17 12)

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