C312322331333132212111133133313331323133313221211111211113331311223311   >>    C31232233133313221211113313331333132313331322121111121111333131122331   <<    C312322331333132212111133133313331323133313221211111211113331311223313   >>      C312322331333132212111133133313331323133313221211111211113331311223312   >>