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

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

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

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

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