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

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

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

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

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