C313212111113331323312111133133313331333133313331333133313331323231333112321   >>    C31321211111333132331211113313331333133313331333133313331333132323133311232   <<    C313212111113331323312111133133313331333133313331333133313331323231333112323   >>      C313212111113331323312111133133313331333133313331333133313331323231333112322   >>