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