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

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

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

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

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