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

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

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

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

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