C313212111113331323312111133133313331333133313331333133313331311222122321   >>    C31321211111333132331211113313331333133313331333133313331333131122212232   <<    C313212111113331323312111133133313331333133313331333133313331311222122323   >>      C313212111113331323312111133133313331333133313331333133313331311222122322   >>