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

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

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

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

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