C3123223313331322121111331333133313231333132212111112111113331322331311212121   >>    C312322331333132212111133133313331323133313221211111211111333132233131121212   <<    C3123223313331322121111331333133313231333132212111112111113331322331311212123   >>      C3123223313331322121111331333133313231333132212111112111113331322331311212122   >>