1: (7 11 16)

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

2: (3 11 9)

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

3: (1 8 6)

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

4: (10 17 12)

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