1: (0 4 13)

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

2: (1 20 7)

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

3: (5 13 12)

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

4: (3 9 6)

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