C312322331333132212111133133313331333133312121111331322313112121   >>    C31232233133313221211113313331333133313331212111133132231311212   <<    C312322331333132212111133133313331333133312121111331322313112123   >>      C312322331333132212111133133313331333133312121111331322313112122   >>