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

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

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

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

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