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

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

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

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

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