C3132121111133313233121111331333133313331322331333133313333133213112121   >>    C313212111113331323312111133133313331333132233133313331333313321311212   <<    C3132121111133313233121111331333133313331322331333133313333133213112123   >>      C3132121111133313233121111331333133313331322331333133313333133213112122   >>