C3123223313331322121111331333133313331331121123121111331333112113223121   >>    C312322331333132212111133133313331333133112112312111133133311211322312   <<    C3123223313331322121111331333133313331331121123121111331333112113223123   >>      C3123223313331322121111331333133313331331121123121111331333112113223122   >>