C3123223313331322121111331333133313231333132212111111211331312121   >>    C312322331333132212111133133313331323133313221211111121133131212   <<    C3123223313331322121111331333133313231333132212111111211331312123   >>      C3123223313331322121111331333133313231333132212111111211331312122   >>