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

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

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

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

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