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

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

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

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

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