C313212111113331323312111133133313331333133313331333133313331333133312122321   >>    C31321211111333132331211113313331333133313331333133313331333133313331212232   <<    C313212111113331323312111133133313331333133313331333133313331333133312122323   >>      C313212111113331323312111133133313331333133313331333133313331333133312122322   >>