C3132121111331312113313331333133313331333112331333132212111113331313231   >>    C313212111133131211331333133313331333133311233133313221211111333131323   <<    C3132121111331312113313331333133313331333112331333132212111113331313233   >>      C3132121111331312113313331333133313331333112331333132212111113331313232   >>