1: (1 4 12)

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

2: (0 5 3)

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

3: (4 14 6)

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

4: (11 19 13)

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