C312322331333132212111133133313331323133313221211111122233312331   >>    C31232233133313221211113313331333132313331322121111112223331233   <<    C312322331333132212111133133313331323133313221211111122233312333   >>      C312322331333132212111133133313331323133313221211111122233312332   >>