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

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

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

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

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