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