C3123223313331322121111331333133313231333132212111133112113311211331312121121   >>    C312322331333132212111133133313331323133313221211113311211331121133131212112   <<    C3123223313331322121111331333133313231333132212111133112113311211331312121123   >>      C3123223313331322121111331333133313231333132212111133112113311211331312121122   >>