C3123223313331322121111331333131133133313132313233313231323132313233231   >>    C312322331333132212111133133313113313331313231323331323132313231323323   <<    C3123223313331322121111331333131133133313132313233313231323132313233233   >>      C3123223313331322121111331333131133133313132313233313231323132313233232   >>