1: (0 3 13)

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

2: (2 18 4)

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

3: (1 20 14)

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

4: (3 19 5)

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