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

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

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

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

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