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

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

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

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

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