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

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

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

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

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