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

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

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

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

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