C313212111113331323312111133133313331333133313331333133313331322133112321   >>    C31321211111333132331211113313331333133313331333133313331333132213311232   <<    C313212111113331323312111133133313331333133313331333133313331322133112323   >>      C313212111113331323312111133133313331333133313331333133313331322133112322   >>