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

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

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

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

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