D1122112313113313223313132312121111331313231333131122112323232321   >>    D112211231311331322331313231212111133131323133313112211232323232   <<    D1122112313113313223313132312121111331313231333131122112323232323   >>      D1122112313113313223313132312121111331313231333131122112323232322   >>