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

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

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

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

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