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

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

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

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

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