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

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

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

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

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