C312322331333132212111133131133133313331333131131312111112132321   >>    C31232233133313221211113313113313331333133313113131211111213232   <<    C312322331333132212111133131133133313331333131131312111112132323   >>      C312322331333132212111133131133133313331333131131312111112132322   >>