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

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

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

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

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