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

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

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

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

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