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

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

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

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

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