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

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

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

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

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