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

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

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

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

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