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