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

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

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

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

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