C31232233133313221211113313331333133313331212111133121111113213112121   >>    C3123223313331322121111331333133313331333121211113312111111321311212   <<    C31232233133313221211113313331333133313331212111133121111113213112123   >>      C31232233133313221211113313331333133313331212111133121111113213112122   >>