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