C312322331333132212111133133313331333133312121111331333112331333131133131112321   >>    C31232233133313221211113313331333133313331212111133133311233133313113313111232   <<    C312322331333132212111133133313331333133312121111331333112331333131133131112323   >>      C312322331333132212111133133313331333133312121111331333112331333131133131112322   >>