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

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

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

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

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