C313212111113331323312111133133313331333133313331323223313112121   >>    C31321211111333132331211113313331333133313331333132322331311212   <<    C313212111113331323312111133133313331333133313331323223313112123   >>      C313212111113331323312111133133313331333133313331323223313112122   >>