1: (0 4 12)

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

2: (1 20 6)

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

3: (4 14 19)

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

4: (3 9 5)

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