C3123223313331322121111331333133313331333121211113313233323323131   >>    C312322331333132212111133133313331333133312121111331323332332313   <<    C3123223313331322121111331333133313331333121211113313233323323133   >>      C3123223313331322121111331333133313331333121211113313233323323132   >>