C1111133313331323223313331333133313331333132212111111331323223331   >>    C111113331333132322331333133313331333133313221211111133132322333   <<    C1111133313331323223313331333133313331333132212111111331323223333   >>      C1111133313331323223313331333133313331333132212111111331323223332   >>