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

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

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

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

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