C31232233133313221211113313331333132313331322121111121111133313223313231323231   >>    C3123223313331322121111331333133313231333132212111112111113331322331323132323   <<    C31232233133313221211113313331333132313331322121111121111133313223313231323233   >>      C31232233133313221211113313331333132313331322121111121111133313223313231323232   >>