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

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

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

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

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