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

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

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

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

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