1: (1 4 11)

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

2: (3 20 5)

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

3: (0 16 2)

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

4: (4 19 6)

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