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

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

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

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

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