C312322331333132212111133133313331323133313221211111211111113331311331323112121   >>    C31232233133313221211113313331333132313331322121111121111111333131133132311212   <<    C312322331333132212111133133313331323133313221211111211111113331311331323112123   >>      C312322331333132212111133133313331323133313221211111211111113331311331323112122   >>