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

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

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

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

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