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

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

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

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

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