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

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

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

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

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