C313212111113331323312111133133313331333133313331333133313221222321   >>    C31321211111333132331211113313331333133313331333133313331322122232   <<    C313212111113331323312111133133313331333133313331333133313221222323   >>      C313212111113331323312111133133313331333133313331333133313221222322   >>