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

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

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

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

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