1: (1 4 18)

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

2: (0 12 2)

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

3: (3 20 5)

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

4: (4 19 6)

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