C312322331333132212111133133313331312111133132313113313232212111113221231   >>    C31232233133313221211113313331333131211113313231311331323221211111322123   <<    C312322331333132212111133133313331312111133132313113313232212111113221233   >>      C312322331333132212111133133313331312111133132313113313232212111113221232   >>