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

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

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

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

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