C313212111133131211331333133313331333133313231333133313331333133313331131213221   >>    C31321211113313121133133313331333133313331323133313331333133313331333113121322   <<    C313212111133131211331333133313331333133313231333133313331333133313331131213223   >>      C313212111133131211331333133313331333133313231333133313331333133313331131213222   >>