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

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

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

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

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