eBGDAElet ring1=9090790790770770770790790790770770770710707107071070770744let ring2907907907707707707907907907707707707107071070710707707let ringlet ringlet ring3705705705705705705705905905905905905905let ring4907907907707707707907907907707707707107071070710707707let ring5907907907707707707907907907707707707107071070710707707let ringlet ringlet ring6705705705705705705705905905905905905905let ring7907907907707707707907907907707707707107071070710707707let ring8907907907707707707907907907707707707107071070710707707let ringlet ringlet ring9705705705705705705705905905905905905905let ring10907907907707707707907907907707707707107071070710707707let ring11907907907707707707907907907707707707107071070710707707let ringlet ringlet ring12705705705705705705705905905905905905905Change tuning (R)