(0 19 4)(1 8 6)(2 11 3)(5 20 12 9 7)(10 21 18 15 13)(14 17 16)
ALLOWS (11/8)-SEQUENCE
1: (1 2 6)

(0 19 4)(1)(2 8 6 11 3)(5 20 12 9 7)(10 21 18 15 13)(14 17 16)
2: (3 6 11)

(0 19 4)(1)(2 8 6)(3)(5 20 12 9 7)(10 21 18 15 13)(11)(14 17 16)
3: (5 20 7)

(0 19 4)(1)(2 8 6)(3)(5)(7 12 9)(10 21 18 15 13)(11)(14 17 16)(20)
4: (0 19 4)

(0)(1)(2 8 6)(3)(4)(5)(7 12 9)(10 21 18 15 13)(11)(14 17 16)(19)(20)