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

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

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

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

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