C312322331333132212111133133313331333133312121111331333131111123131   >>    C31232233133313221211113313331333133313331212111133133313111112313   <<    C312322331333132212111133133313331333133312121111331333131111123133   >>      C312322331333132212111133133313331333133312121111331333131111123132   >>