1: (1 8 15)

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

2: (5 17 14)

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

3: (4 11 6)

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

4: (10 15 12)

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