C1111133313331323223313331333133313113313223313113313113313113313221232132321   >>    C111113331333132322331333133313331311331322331311331311331311331322123213232   <<    C1111133313331323223313331333133313113313223313113313113313113313221232132323   >>      C1111133313331323223313331333133313113313223313113313113313113313221232132322   >>