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

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

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

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

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