C313212111113331323312111133133313331333133313331333133313113313331333223313321   >>    C31321211111333132331211113313331333133313331333133313331311331333133322331332   <<    C313212111113331323312111133133313331333133313331333133313113313331333223313323   >>      C313212111113331323312111133133313331333133313331333133313113313331333223313322   >>