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

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

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

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

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