C1111133313331323223313331333133313112331322121111331323112331322311   >>    C111113331333132322331333133313331311233132212111133132311233132231   <<    C1111133313331323223313331333133313112331322121111331323112331322313   >>      C1111133313331323223313331333133313112331322121111331323112331322312   >>