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

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

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

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

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