C31232233133313221211113313331333133313331212111133133313221323233123223321   >>    C3123223313331322121111331333133313331333121211113313331322132323312322332   <<    C31232233133313221211113313331333133313331212111133133313221323233123223323   >>      C31232233133313221211113313331333133313331212111133133313221323233123223322   >>