C3123223313331322121111331333133313231333132212113313331323132211312121   >>    C312322331333132212111133133313331323133313221211331333132313221131212   <<    C3123223313331322121111331333133313231333132212113313331323132211312123   >>      C3123223313331322121111331333133313231333132212113313331323132211312122   >>