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