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

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

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

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

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