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

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

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

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

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