1: (0 3 7)

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

2: (1 20 5)

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

3: (0 3 7)

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

4: (4 11 6)

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