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

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

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

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

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