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

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

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

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

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