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

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

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

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

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