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

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

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

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

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