C1111133313331323223313331333133313331323133313331333113323313221   >>    C111113331333132322331333133313331333132313331333133311332331322   <<    C1111133313331323223313331333133313331323133313331333113323313223   >>      C1111133313331323223313331333133313331323133313331333113323313222   >>