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

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

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

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

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