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

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

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

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

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