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

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

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

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

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