C312322331333132212111133133313331323133313221211111232313223331   >>    C31232233133313221211113313331333132313331322121111123231322333   <<    C312322331333132212111133133313331323133313221211111232313223333   >>      C312322331333132212111133133313331323133313221211111232313223332   >>