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

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

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

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

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