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

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

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

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

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