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

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

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

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

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