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