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

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

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

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

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