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

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

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

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

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