C312322331333132212111133133313331323133313221211111211111232321121   >>    C31232233133313221211113313331333132313331322121111121111123232112   <<    C312322331333132212111133133313331323133313221211111211111232321123   >>      C312322331333132212111133133313331323133313221211111211111232321122   >>