C312322331333132212111133133313331323133313221211111211111323131111221122321   >>    C31232233133313221211113313331333132313331322121111121111132313111122112232   <<    C312322331333132212111133133313331323133313221211111211111323131111221122323   >>      C312322331333132212111133133313331323133313221211111211111323131111221122322   >>